EUVD-2026-63729

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...

GHSA-QX2G-XRX7-VFH8 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 in...

CVE-2026-70656: Inefficient Regular Expression Complexity

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...

PT-2026-79423

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...

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...

CVE-2026-72818

NLTK (Python NLP library) is vulnerable to catastrophic regex backtracking in nltk/tokenize/casual.py. The TweetTokenizer.WORD_RE pattern contains an unbounded naked-domain label prefix [a-z0-9]+(?:[.\-][a-z0-9]+)*. Crafted input with many alternating label separators causes the regex engine to e...

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...

CVE-2026-62317: Inefficient Regular Expression Complexity

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...

CVE-2026-62672: Inefficient Regular Expression Complexity

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

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-2026-54284

creationtimestamp| type| source ---|---|--- 2026-08-17 20:35:04+00:00| published-proof-of-concept| https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-pwgv-4x5q-6m9f 2026-08-18 01:00:04+00:00| published-proof-of-concept| Telegram/GwuC3cy-OzU2KFCuHYMrTkUTBOKWE1Dd5EfEUwy3SR6M 2026-08-...

Important: perl-Date-Manip

Issue Overview: Date::Manip versions through 6.99 for Perl return corrupted dates via non-ASCII decimal digits that pass the numeric range tests in check. The parse regexes capture year, month and day with the \d shorthand, which on a character string matches the whole Unicode decimal digit...

SUSE CVE-2026-56860

Previously, resolving relative paths containing parent directory '..' segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking f...