PT-2026-82079

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.0 Description An issue exists where the findall functions within the Text and TokenSearcher classes accept user-supplied regular expressions without validation or timeout. This can lead to catastrophic backtracking—...

PT-2026-82080

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.3 Description The tgrep module contains a regular expression denial of service ReDoS issue. The tgrep node action function compiles user-supplied regular expressions within /regex/ pattern nodes and executes them...

Astra Linux – Vulnerability in Pypy

Python versions prior to 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1, and 3.7.0 are vulnerable to catastrophic backtracking in the difflib.IS-LineJUNK method. An attacker could exploit this flaw to cause a denial of service. source-iocs-preserved const=ISLINEJUNK...

Astra Linux – Vulnerability in pillow

A issue was discovered in Pillow before version 8.1.1. The PDF parser allows a regular expression DoS ReDoS attack through a crafted PDF file due to a catastrophic backtracking in the regex...

CVE-2026-70656

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. From 3.5.1 until 3.9.2, an authenticated admin or superadmin can set matchMethod to regex and place a malicious expression...

CVE-2026-70656 Checkmate: Regular Expression Denial of Service (ReDoS) via User-Controlled Regex in Monitor Advanced Matching

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. From 3.5.1 until 3.9.2, an authenticated admin or superadmin can set matchMethod to regex and place a malicious expression...

EUVD-2026-64038

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. From 3.5.1 until 3.9.2, an authenticated admin or superadmin can set matchMethod to regex and place a malicious expression...

CVE-2026-70656

Checkmate (open-source self-hosted server monitoring tool) versions 3.5.1 through 3.9.2 are vulnerable to ReDoS (Regular Expression Denial of Service). An authenticated admin or superadmin can set matchMethod to regex and inject a malicious expression into the expectedValue field for advanced HTT...

Python Library sqlparse < 0.6.0 Multiple Vulnerabilities

The version of the sqlparse Python library installed on the remote host is prior to 0.6.0. It is, therefore, affected by multiple vulnerabilities: - A denial of service vulnerability exists in sqlparse due to the regular expressions used by the lexer to match dollar-quoted strings and multiline...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

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...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

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...

CVE-2026-72818 NLTK TweetTokenizer URL Pattern Backtracks Catastrophically on Naked-Domain-Like Input

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...

PT-2026-79260

Name of the Vulnerable Software and Affected Versions NLTK versions prior to 3.10.1 Description The URLS regular expression in nltk/tokenize/casual.py, which is compiled into TweetTokenizer.WORD RE and used by TweetTokenizer.tokenize, contains an unbounded domain-label prefix. When processing inp...

CVE-2026-62317

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's email subaddressing blocklist in packages/core/src/libraries/sign-in-experience/email-blocklist-policy.ts used the attacker-controlled domain from email input to construct subaddressingRegex when...

EUVD-2026-62757

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's email subaddressing blocklist in packages/core/src/libraries/sign-in-experience/email-blocklist-policy.ts used the attacker-controlled domain from email input to construct subaddressingRegex when...

PT-2026-78644

Name of the Vulnerable Software and Affected Versions Logto versions prior to 1.41.0 Description When the blockSubaddressing feature is enabled, the software uses an attacker-controlled domain from the email input to construct a regular expression. Due to a permissive emailRegEx that accepts...

ANT-2026-125WT6QC · supabase/supabase · denial-of-service

denial-of-service low Severity Claude low · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-125WT6QC: Catastrophic backtracking in t-shirt competition email regex The get-tshirt-competition examp...

CVE-2026-67422

pymdown-extensions is a collection of extensions for the Python Markdown library. In versions up to and including 11.0, four inline processors caret, tilde, betterem, and magiclink use regular expressions whose content groups can partition a run of delimiter characters in exponentially many ways,...

CVE-2026-67422

pymdown-extensions is a collection of extensions for the Python Markdown library. In versions up to and including 11.0, four inline processors caret, tilde, betterem, and magiclink use regular expressions whose content groups can partition a run of delimiter characters in exponentially many ways,...

CVE-2026-71190

OpenStack Swift proxy server vulnerability CVE-2026-71190 affects Swift up to 2.38.0. The proxy Accept header parser uses a qdtext pattern (?:[^"]|\.)* that allows catastrophic backtracking (ReDoS). An unauthenticated remote attacker can craft an Accept header to trigger exponential CPU usage, wh...