PYSEC-2026-4277 Pydantic AI: Event loop blocked by quadratic title extraction in `web_fetch`

Summary The local web-fetch tool webfetchtool, also used as the WebFetch capability's local fallback processed responses with several steps whose running time grows quadratically with the size of certain server-controlled inputs, and ran them on the event loop: decoding the body with whichever...

Exploit for Expression Language Injection in Apache Struts

CVE-2026-1047...

CVE-2026-110908

Netgate pfSense FRR package pfSense-pkg-frr 2.0.21 and source revision 2.1.21 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression in...

CVE-2026-110908

Netgate pfSense FRR package pfSense-pkg-frr 2.0.21 and source revision 2.1.21 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression in...

CVE-2026-110908

The Netgate pfSense FRR package (pfSense-pkg-frr) versions 2.0.2_1 and source revision 2.1.2_1 are vulnerable to an OS command injection in the FRR status filter. An authenticated WebGUI user with page-status-frr privileges can provide a filter value that breaks out of a single-quoted sed express...

EUVD-2026-101752

Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection.actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with...

EUVD-2026-101739

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the reactorepoch pattern used by parseactoranddate on author, committer, and tagger lines. Attackers can serve repositories with commit or tag objects containing long space-filled lines lacking a valid epoch o...

n8n 1.120.3 Expression Injection

n8n version 1.120.3 contains an expression injection vulnerability that may allow authenticated workflow editors to execute code in the n8n process. This Docker Compose CTF deploys the affected version with a runtime-supplied container flag...

UBUNTU-CVE-2026-110869

Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection.actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with...

UBUNTU-CVE-2026-110856

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the reactorepoch pattern used by parseactoranddate on author, committer, and tagger lines. Attackers can serve repositories with commit or tag objects containing long space-filled lines lacking a valid epoch o...

CVE-2026-110908: Improper Neutralization of Special Elements used in an OS Command

Netgate pfSense FRR package pfSense-pkg-frr 2.0.21 and source revision 2.1.21 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression in...

CVE-2026-108082: Inefficient Regular Expression Complexity

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.54, 6.4.46, 7.4.19, and 8.1.7, HeaderUtils::split parsed header values with a pattern whose token alternative also matched whitespace, followed by a ?!\s lookbehind. A run of...

CVE-2026-108334: Improper Neutralization of Special Elements used in an Expression Language Statement

A flaw was found in the internal WebAssembly WASM shim used by the Kuadrant operator. When generating the CEL predicate that determines whether Gateway-level authentication and rate limiting should run, the shim does not correctly escape values from HTTPRoute match fields. A user who can create o...

CVE-2026-109449: Uncontrolled Recursion

In Symfony Expression Language versions prior to 5.4.54, 6.4.48, 7.4.21, and 8.1.9, the parser of the ExpressionLanguage component built its node tree with no bound on its depth. An expression made of tens of thousands of nested unary operators, array literals, binary operators or property access...

Linux Distros Unpatched Vulnerability : CVE-2026-110856

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the reactorepoch pattern used by parseactoranddate on author, committer,...

Apache Struts RestfulActionMapper Code Execution

The vulnerability of the RestfulActionMapper component of the Apache Struts software framework is related to the lack of measures taken to neutralize special elements used in the expression language operator. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

PT-2026-114985

Name of the Vulnerable Software and Affected Versions symfony/expression-language versions prior to 5.4.54 symfony/expression-language versions 6.0.0-BETA1 through 6.4.47 symfony/expression-language versions 7.0.0-BETA1 through 7.4.20 symfony/expression-language versions 8.0.0-BETA1 through 8.1.8...

GitLab 19.2 < 19.2.8 / 19.3 < 19.3.5 / 19.4 < 19.4.2 (CVE-2026-97229)

The version of GitLab installed on the remote host is affected by a vulnerability, as follows: - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an...

CVE-2026-110869

A flaw was found in nodemailer. A malicious or man-in-the-middle Simple Mail Transfer Protocol SMTP server can cause a Denial of Service DoS by sending a crafted handshake response with repeated whitespace sequences during authentication mechanism detection. Inefficient regular expression...

DEBIAN-CVE-2026-110869

Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection.actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with...