PYSEC-2026-3886 PraisonAI has a Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

Summary praisonai/browser/server.py validates incoming WebSocket connections using a Chrome extension Origin check. The regex chrome-extension://a-z0-932 is applied with re.match, which only anchors at the start of the string, not the end. Any Origin header with more than 32 alphanumeric characte...

PYSEC-2026-3870 NLTK TweetTokenizer vulnerable to denial of service through catastrophic regex backtracking

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

NLTK TweetTokenizer vulnerable to denial of service through catastrophic regex backtracking

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.\-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned i...

GitPython Actor.name_email_regex() DoS

The vulnerability of the Actor.nameemailregex function in the Python library for interacting with Git repositories in GitPython is related to the use of a regular expression with inefficient computational complexity. Exploiting this vulnerability could allow a malicious actor to cause service...

PT-2026-89388

Name of the Vulnerable Software and Affected Versions Traefik versions 3.7.0 through 3.7.11 Description The Kubernetes ingress-nginx provider mishandles Ingresses that contain both an authentication annotation and the nginx.ingress.kubernetes.io/from-to-www-redirect annotation. This causes the...

PT-2026-89516

Name of the Vulnerable Software and Affected Versions MongoDB C Driver affected versions not specified Description Improper neutralization of regular-expression metacharacters in the LINQ query translation component allows an authenticated user to provide a character sequence that alters a...

CVE-2026-85788

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

CVE-2026-85788 Incomplete list of disallowed inputs in awslabs mysql-mcp-server

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

EUVD-2026-75104

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

USN-8675-2 perl vulnerabilities

USN-8675-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 26.04 LTS. Original advisory details: It was discovered that Perl incorrectly handled short source addresses in the Socket module. An attacker could possibly use this issue to trigger an...

USN-8675-2: Perl vulnerabilities

USN-8675-1 fixed vulnerabilities in Perl. This update provides the corresponding fix for Perl on Ubuntu 26.04 LTS. Original advisory details: It was discovered that Perl incorrectly handled short source addresses in the Socket module. An attacker could possibly use this issue to trigger an...

CVE-2026-87819 GitPython before 3.1.60 Denial of Service via ReDoS

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

CVE-2026-76801

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...

CVE-2026-76801 FireBox <= 3.1.10 - Authenticated (Author+) Remote Code Execution to Privilege Escalation

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...

CVE-2026-76801 FireBox <= 3.1.10 - Authenticated (Author+) Remote Code Execution to Privilege Escalation

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...

EUVD-2026-74567

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...

CVE-2026-76801

CVE-2026-76801 affects the FireBox WordPress plugin (WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment) in versions up to and including 3.1.10 . The root cause is a trivially bypassable regex blacklist in Executer::allowedToRun() that fails to block WordPress core funct...

PT-2026-89106

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as...

An Empirical Analysis of ReDoS Vulnerabilities and ReDoS Detection Tools

ReDoS vulnerabilities are a type of denial of service software weakness that occurs when a regex is used to validate user-supplied input. In some cases, the regex matching process can take exponential time, leading to a denial of service. In this study, we examine and compare the effectiveness of...

PT-2026-88768

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...