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The democratisation of business email compromise fraud
Welcome to this week's edition of the Threat Source newsletter. Last weekend, I witnessed a crime. Not a notable crime that you might read about in the press, but an unremarkable fraud attempt that nevertheless illustrates how new threat actor capabilities are emerging. I imagine that most people...
Threat actor abuse of AI accelerates from tool to cyberattack surface
For the last year, one word has represented the conversation living at the intersection of AI and cybersecurity: speed. Speed matters, but it’s not the most important shift we are observing across the threat landscape today. Now, threat actors from nation states to cybercrime groups are embedding...
Threat actor abuse of AI accelerates from tool to cyberattack surface
For the last year, one word has represented the conversation living at the intersection of AI and cybersecurity: speed. Speed matters, but it’s not the most important shift we are observing across the threat landscape today. Now, threat actors from nation states to cybercrime groups are embedding...
CVE-2026-32629
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, an unauthenticated attacker can submit a guest FAQ with an email address that is syntactically valid per RFC 5321 quoted local part yet contains raw HTML — for example "alert1"@evil.com. PHP's FILTERVALIDATEEMAIL accepts this...
DEBIAN-CVE-2026-31934
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...
CVE-2026-32629 phpMyFAQ: Stored XSS via Unsanitized Email Field in Admin FAQ Editor
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, an unauthenticated attacker can submit a guest FAQ with an email address that is syntactically valid per RFC 5321 quoted local part yet contains raw HTML — for example "alert1"@evil.com. PHP's FILTERVALIDATEEMAIL accepts this...
CVE-2026-32629
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, an unauthenticated attacker can submit a guest FAQ with an email address that is syntactically valid per RFC 5321 quoted local part yet contains raw HTML — for example ""@evil.com. PHP's FILTERVALIDATEEMAIL accepts this email...
CVE-2026-32629
Summary: CVE-2026-32629 affects phpMyFAQ prior to 4.1.1, where an unauthenticated attacker can submit a guest FAQ with a syntactically valid but HTML-containing email address. PHP’s FILTER_VALIDATE_EMAIL accepts the quoted-local-part email, stores it without HTML sanitization, and later renders i...
CVE-2026-32629 phpMyFAQ: Stored XSS via Unsanitized Email Field in Admin FAQ Editor
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, an unauthenticated attacker can submit a guest FAQ with an email address that is syntactically valid per RFC 5321 quoted local part yet contains raw HTML — for example "alert1"@evil.com. PHP's FILTERVALIDATEEMAIL accepts this...
CVE-2026-31934
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...
CVE-2026-31934 Suricata smtp/mine: quadratic complexity in extracting urls
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...
Moderate: Red Hat Security Advisory: python3 security update
An update for python3 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...
cpython: email header injection due to unquoted newlines
A flaw was found in the email module in the Python standard library. When serializing an email message, the BytesGenerator class fails to properly quote newline characters for email headers. This issue is exploitable when the LiteralHeader class is used as it does not respect email folding rules,...
EUVD-2026-18152
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates...
EUVD-2026-18165
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email...
EUVD-2026-18154
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to hide security tags from users by crafting a long subject...
EUVD-2026-18166
SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers...
EUVD-2026-18142
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users...