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  • CSA Issues Alert on Critical SmarterMail Bug Allowing Remote Code Execution

    CSA Issues Alert on Critical SmarterMail Bug Allowing Remote Code Execution


    Dec 30, 2026Ravie LakshmananVulnerability / Email Security

    The Cyber Security Agency of Singapore (CSA) has issued a bulletin warning of a maximum-severity security flaw in SmarterTools SmarterMail email software that could be exploited to achieve remote code execution.

    The vulnerability, tracked as CVE-2025-52691, carries a CVSS score of 10.0. It relates to a case of arbitrary file upload that could enable code execution without requiring any authentication.

    “Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution,” CSA said.

    Vulnerabilities of this kind allow the upload of dangerous file types that are automatically processed within an application’s environment. This could pave the way for code execution if the uploaded file is interpreted and executed as code, as is the case with PHP files.

    Cybersecurity

    In a hypothetical attack scenario, a bad actor could weaponize this vulnerability to place malicious binaries or web shells that could be executed with the same privileges as the SmarterMail service.

    SmarterMail is an alternative to enterprise collaboration solutions like Microsoft Exchange, offering features like secure email, shared calendars, and instant messaging. According to information listed on the website, it’s used by web hosting providers like ASPnix Web Hosting, Hostek, and simplehosting.ch.

    CVE-2025-52691 impacts SmarterMail versions Build 9406 and earlier. It has been addressed in Build 9413, which was released on October 9, 2025.

    CSA credited Chua Meng Han from the Centre for Strategic Infocomm Technologies (CSIT) for discovering and reporting the vulnerability.

    While the advisory makes no mention of the flaw being exploited in the wild, users are advised to update to the latest version (Build 9483, released on December 18, 2025) for optimal protection.



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  • Israel to bar 37 aid groups from working in Gaza

    Israel to bar 37 aid groups from working in Gaza


    Israel is to revoke the licenses of 37 aid groups working in Gaza and the occupied West Bank, saying they failed to meet requirements under new registration rules.

    Well-known international non-governmental organisations (INGOs) such as ActionAid, the International Rescue Committee and the Norwegian Refugee Council are among those that will have their licenses suspended on 1 January, with their operations to end within 60 days.

    Israel said the groups, among other things, had failed to hand over “complete” personal details of their staff.

    The move was heavily criticised by foreign ministers from 10 countries including the UK, who said the new rules were “restrictive” and “unacceptable”.

    In a joint statement, the foreign ministers of the UK, France, Canada, Denmark, Finland, Iceland, Japan, Norway, Sweden and Switzerland said the forced closure of INGO operations would “have a severe impact on access to essential services including healthcare”.

    They added that the humanitarian situation in Gaza remained “catastrophic” and called on Israel’s government to ensure INGOs were able to operate “in a sustained and predictable way”.

    Israel’s Ministry of Diaspora Affairs, which is in charge of registration applications, said the new measures would not impact the flow of humanitarian assistance to Gaza.

    It added that aid continued to be delivered through “approved and vetted channels”, including UN agencies, bilateral partners, and humanitarian organisations.

    It said the primary reason aid groups were having their licences revoked was “the refusal to provide complete and verifiable information regarding their employees,” which it said was critical to preventing “the infiltration of terrorist operatives into humanitarian structures”.

    Earlier this month, UN-backed experts said there had been improvements in nutrition and food supplies in Gaza since a ceasefire was brokered between Israel and Hamas in October, but 100,000 people still experienced “catastrophic conditions” the following month.

    Israeli military body Cogat, which controls Gaza’s crossings, said the organisations that will be suspended “did not bring aid into Gaza throughout the current ceasefire”.

    It added that “even in the past their combined contribution amounted to only about 1% of the total aid volume”.

    The Ministry of Diaspora Affairs said that fewer than 15% of organisations providing humanitarian assistance to Gaza were found to be in violation of the new regulatory framework.

    That framework includes several grounds for rejection, including:

    • Denying the existence of Israel as a Jewish and democratic state
    • Denying the Holocaust or the Hamas-led attacks on Israel on 7 October 2023
    • Supporting an armed struggle against Israel by an enemy state or terrorist organisation
    • Promoting “delegitimisation campaigns” against Israel
    • Calling for a boycott of Israel or committing to participate in one
    • Supporting the prosecution of Israeli security forces in foreign or international courts

    The Humanitarian Country Team of the Occupied Palestinian Territory – a forum that brings together UN agencies and more than 200 local and international organisations – previously warned that the new registration system “fundamentally jeopardises” the operations of INGOs in Gaza and the West Bank.

    “The system relies on vague, arbitrary, and highly politicised criteria and imposes requirements that humanitarian organisations cannot meet without violating international legal obligations or compromising core humanitarian principles,” it said.

    It added: “While some INGOs have been registered under the new system, these INGOs represent only a fraction of the response in Gaza and are nowhere near the number required just to meet immediate and basic needs.”

    According to the Humanitarian Country Team, INGOs currently run or support most of Gaza’s field hospitals and primary healthcare centres, emergency shelter responses, water and sanitation services, nutrition stabilisation centres for children with acute malnutrition, and critical mine action activities.

    In a statement, Israel’s Minister of Diaspora Affairs and Combating Antisemitism, Amichai Chikli, said: “The message is clear: humanitarian assistance is welcome — the exploitation of humanitarian frameworks for terrorism is not.”

    Other organisations to be suspended include CARE, Medico International and Medical Aid for Palestinians.



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  • The fight over Christian nationalism in a small Tennessee town

    The fight over Christian nationalism in a small Tennessee town


    Ellie House and Mike WendlingGainesboro, Tennessee

    BBC/Ellie House A man on a hill looks at the camera, wearing jeans and boots, there are barns and rolling hills in the distance.BBC/Ellie House

    Real estate developer Josh Abbotoy on the site of his planned future development outside Gainesboro. Abbotoy’s customers, including two self-described Christian nationalists, have caused controversy locally.

    As Josh Abbotoy gazes out at lush green woods and pastureland nestled among Tennessee’s Appalachian hills, he describes what he intends to build here: a neighbourhood with dozens of residential lots, centred around a working farm and, crucially, a church.

    “A customer might very well buy and build roughly where we’re standing right now,” he says as we hike up to the top of a ridge.

    Mr Abbotoy is founder of the real estate company Ridgerunner, which has bought land here and in neighbouring Kentucky. But his is no garden-variety housing development.

    Mr Abbotoy is prominent in US conservative circles and describes his development as an “affinity-based community” – marketed to people not only interested in the peace and quiet of rural life, but in a constellation of right-wing ideals.

    “Faith, family and freedom,” he says. “Those are the values that we try to celebrate.”

    BBC/Mike Wendling A man, mostly outside the frame, points at a large map with sections parcelled out. Wooded areas and cleared areas are visible in shades of green.BBC/Mike Wendling

    Josh Abbotoy points to a map of his development in the Ridgerunner offices in Gainesboro

    Initially he didn’t attract much local attention after setting up shop in Jackson County.

    But in late 2024, a local TV news report broadcast controversial statements made by two of Mr Abbotoy’s first, and most outspoken, customers: Andrew Isker, a pastor and author originally from Minnesota, and C Jay Engel, a businessman from California.

    They are self-described “Christian nationalists” who question modern values, such as whether female suffrage and the civil rights movement were good ideas, and call for mass deportations of legal immigrants far in excess of President Donald Trump’s current plan. Another thing they sometimes say: “Repeal the 20th Century.”

    The TV report raised an alarm bell amongst some local residents.

    “You don’t know who these people are, or what they’re capable of,” says Nan Coons, a middle-aged woman who spoke in a firm southern accent during a recent interview near the town square in Gainesboro – of which this land is a part.

    “And so it’s scary.”

    Although Abbotoy himself does not identify as a Christian nationalist, he says concerns about his tenants are overblown.

    The Ridgerunner development has since drawn national attention. And people in Gainesboro, home to around 900 people and one traffic light, have now found themselves in the middle of a dispute that is a proxy for much bigger political battles.

    Podcasters move in

    Mr Isker and Mr Engel announced their move to Gainesboro last year on their podcast Contra Mundum – Latin for “against the world”.

    On their show, which is now recorded in a studio within Ridgerunner’s Gainesboro office, they have encouraged their fans to move into small communities, seek local influence, and join them in their fight to put strict conservative Christian values at the heart of American governance.

    “If you could build places where you can take political power,” Mr Isker said on one episode, “which might mean sitting on the [board of] county commissioners, or even having the ear of the county commissioners and sheriff… being able to do those things is extremely, extremely valuable.”

    Contra Mundum Two men sit in front of microphones and computers, with patriotic artwork behind them, including a copy of a famous painting of George Washington during the US Revolutionary War and former presidents Richard Nixon and James PolkContra Mundum

    C Jay Engel (l) and Andrew Isker (r) shown during an episode of their podcast

    On X, Mr Engel has popularised the idea of “heritage Americans” – a fuzzy concept but one that applies mainly to Anglo-Protestants whose ancestors arrived in the US at least a century ago. He says it is not explicitly white, but it does have “strong ethnic correlations”.

    He’s called for mass deportations of immigrants – including legal ones – writing: “Peoples like Indians, or South East Asians or Ecuadorians or immigrated Africans are the least capable of fitting in and should be sent home immediately.”

    In their broadcasts and writings they have also expressed anti-gay sentiments. The podcasters deny they are white nationalists.

    Both are Ridgerunner customers, and Mr Isker’s church will move into the community’s chapel when it’s complete.

    The ‘resistance’

    Their hardcore views have alarmed residents, with some locals setting up an informal resistance group.

    “I believe that they have been attempting to brand our town and our county as a headquarters for their ideology of Christian nationalism,” says town matriarch Diana Mandli, a prominent local businesswoman who until recently owned a pub on Gainesboro’s central square

    Late last year, Mandli led the charge by writing a message on a chalkboard outside her business: “If you are a person or group who promotes the inferiority or oppression of others, please eat somewhere else.”

    BBC/Mike Wendling A sign with a sunflower motif which reads: "Gainesboro: you belong here"BBC/Mike Wendling

    More signs opposed to the new development followed. When people caught wind that the Ridgerunner guys were holding a meeting at a nearby fast food joint, dozens turned up to confront them.

    Ms Coons, whose ancestors have lived in Gainesboro since around the time of the US Revolutionary War, says she engaged Mr Engel in conversation.

    “He explained to me that what they’re promoting is what he called ‘family voting’… one vote per family, and of course, the husband in that family would be the one voting” with women frozen out of the electorate.

    Mr Engel has since said publicly that it’s not “wrong” for women to vote, although he does support the idea of household suffrage.

    BBC/Mike Wendling A billboard in front of a road which reads: "Small town, big heart, here nasty notions play no part. Gainesboro - where all are welcome."BBC/Mike Wendling

    Local residents put up a billboard outside of town

    In a county that voted 80% for Donald Trump in the last election, Ms Coons is used to living next door to neighbours with conservative views.

    But she and others came away from the protest convinced more than ever that the beliefs of their new neighbours were too extreme.

    They say they don’t want to run them out of town, but intend to sound the alarm about what they say are extreme views, as well as thwart any future attempt to take over the local government.

    “This is where we have to draw the line,” Ms Coons says.

    What is Christian nationalism?

    Christian nationalism is a nebulous worldview without a single coherent definition.

    At the extreme end, as outlined by theorists including author Stephen Wolfe, Christian nationalists advocate for rule by a “Christian prince” – an all-powerful religious dictator, who reigns over the civil authorities and leads his subjects to “godliness”.

    Less extreme versions take the form of calls for Christian law to be explicitly enshrined in American legal codes, for religious leaders to get heavily involved in politics, or simply for an acknowledgement of the Christian background of America’s founding fathers.

    This multiplicity of definitions has created a strategic ambiguity that experts say has helped Christian nationalism seep into the mainstream.

    Big ideas or far-right plan?

    Mr Abbotoy’s development is still in the early stages – his company is building roads and organising sanitation infrastructure. When the BBC visited in November, workers were busy knocking down a decrepit old barn, one of many that dot the Appalachian landscape.

    But business is brisk. Around half of the lots are already under contract. Mr Abbotoy anticipates that the first houses will be built and new customers will begin moving in at the beginning of 2027.

    BBC/Ellie House A barn sits among clumps of trees and rolling hillsBBC/Ellie House

    Building on the Brewington Farms site will start within months, with new residents moving in soon, in just over a year

    Many of his customers, he says, are moving to heavily Republican Tennessee from Democratic-majority states like California and New York.

    “People want to live in communities where they feel like they share important values with their neighbours,” he says.

    Mr Abbotoy says he doesn’t call himself a Christian nationalist, but describes the criticism of his customers as “absurd” and says they have no intention to try to take over local government.

    “They’re talking about big ideas and books,” he says. As for some of their more controversial views, he insists that “rolling back the 20th Century can mean a lot of things. A lot of conservatives would say we took a lot of wrong turns.”

    Mr Isker and Mr Engel did not respond to multiple requests for comment and a list of questions.

    BBC/Ellie House A woman with grey hair and wearing a purple sweater stands in front of a row of shops in the main square in GainesboroBBC/Ellie House

    Nan Coons belongs to an informal group of Gainesboro residents who are alarmed at their new Christian nationalist neighbours

    Small-town fight goes nationwide

    The fight here in Gainesboro has drawn in players far from small-town Tennessee.

    Mr Abbotoy, who was educated at Harvard Law School, is also a partner at a conservative venture capital fund, New Founding, and a founder of the American Reformer, a website that has published the writings of a number of other prominent Christian nationalists.

    His opponents meanwhile have received research assistance and advice from a national organisation, States at the Core, established last year to tackle authoritarianism in small communities. It is funded by a constellation of left-wing organisations. States at the Core declined our request for an interview.

    The men of Ridgerunner have pointed to the organisation as evidence that the pushback against their project has been orchestrated by powerful liberals. The locals say this is ridiculous.

    “Nobody’s cut me a cheque to say anything,” Ms Coons says.

    In Gainesboro, people on all sides see a much bigger story – one of large-scale political fights playing out in rural America.

    Republicans have made huge gains in rural areas this century, and in 2024 Trump stretched his lead in rural communities, winning 69% of the vote. The Democratic Congressional Campaign Committee recently announced a reported eight-figure investment ahead of the 2026 midterm elections, a chunk of which will be dedicated to winning rural voters.

    “There’s definitely a renewed, [Democratic Party] focus on rural engagement,” Mr Abbotoy says. “And at the same time, there’s been a wave of people moving to small town America precisely because they like the Bible Belt, they like the conservative traditional culture.”

    But Nan Coons and her allies say they aren’t ready to concede rural areas like her hometown to Christian nationalists.

    “If we are going to turn this tide, it starts on your street, it starts in your neighbourhood, it starts in your small town,” she says.

    “I have to stand for something, and this is where I stand.”



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