CVE-2026-102270: Inefficient Regular Expression Complexity

PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT ispemformat is affected because lazy PEM regular expression backtracks extensively. This occurs when a certificate-like input contains repeated BEGIN markers without a matching END marker. As a result, ispemforma...

CVE-2026-77423: Inefficient Regular Expression Complexity

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, the JLine built-in less viewer passes user-controlled search and display-filter patterns from getPatternboolean doDisplayPattern in builtins/src/main/java/org/jline/builtins/Less.java directly to Java's...

CVE-2026-77422: Inefficient Regular Expression Complexity

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, the JLine built-in grep command in builtins/src/main/java/org/jline/builtins/PosixCommands.java accepts a user-controlled regular expression in grep... and, unless line-regexp mode is used, automatically adds ...

CVE-2026-77420: Inefficient Regular Expression Complexity

JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatternsString patterns, String line in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORYIGNORE configuration value into a Java regular expression...

CVE-2026-89407: Inefficient Regular Expression Complexity

NumberInput.looksLikeValidNumber in FasterXML jackson-core pre-validates "stringified numbers" with two regular expressions: PATTERNFLOAT +-?0-9.?0-9+eE+-?0-9+?, present since 2.17.0, and PATTERNFLOATTRAILINGDOT, added in 2.17.2. PATTERNFLOAT places adjacent quantifiers over the same character...

CVE-2026-63460: Inefficient Regular Expression Complexity

Vendure is an open-source headless commerce platform. Prior to 3.6.5, the public Shop GraphQL API allows an unauthenticated caller to supply a catastrophically backtracking pattern through StringOperators.regex. packages/core/src/service/helpers/list-query-builder/parse-filter-params.ts passes th...

CVE-2026-92114: Inefficient Regular Expression Complexity

A vulnerability was identified in a2ui-project a2ui up to 0.10.6. Affected is an unknown function of the file renderers/webcore/src/v09/basiccatalog/functions/saferegex.ts of the component Basic Catalog. Such manipulation leads to inefficient regular expression complexity. The attack can be...

CVE-2026-84642: Inefficient Regular Expression Complexity

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-72818: Inefficient Regular Expression Complexity

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-2026-59893: Inefficient Regular Expression Complexity

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, SQLREGEX in sqlparse/keywords.py and the per-position loop in sqlparse/lexer.py repeatedly scan unmatched dollar-quoted literal and multiline-comment delimiters, causing quadratic CPU consumption through sqlparse.parse,...

CVE-2026-68749: Inefficient Regular Expression Complexity

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-70493: Inefficient Regular Expression Complexity

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, the built-in knowledge search path in backend/openwebui/tools/knowledgefs.py and backend/openwebui/tools/builtin.py let a chat participant choose a pattern used to grep knowledge files...

CVE-2026-16270: Inefficient Regular Expression Complexity

Open Mercato does not validate regex rules. An attacker with privileges to create the regex rule can add an unsafe regex to a field. When someone provide the proper string it can result in a DoS attack. This issue was fixed in version 0.6.4...

CVE-2026-45305: Inefficient Regular Expression Complexity

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Yaml\Parser::cleanup used regular expressions with overlapping quantifiers for YAML directive, comment, and document marker cleanup,...

CVE-2026-55574: Inefficient Regular Expression Complexity

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, the structuredoutputs.regex API parameter passes a user-supplied regular expression string directly to the grammar compiler backends with no compilation timeout; in the xgrammar backend the stri...

CVE-2026-47138: Inefficient Regular Expression Complexity

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.77 and 9.9.1-alpha.1, an unauthenticated attacker who knows a publicly-known Parse Application ID can submit a single HTTP request whose client SDK version field contains...

CVE-2026-11478: Inefficient Regular Expression Complexity

A flaw has been found in kokke tiny-regex-c up to f2632c6d9ed25272987471cdb8b70395c2460bdb. This vulnerability affects the function matchstar of the file re.c of the component Pattern Handler. This manipulation causes inefficient regular expression complexity. The attack is restricted to local...

CVE-2026-45409: Inefficient Regular Expression Complexity

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

CVE-2026-10691: Inefficient Regular Expression Complexity

A security flaw has been discovered in wonderwhy-er DesktopCommanderMCP up to 0.2.38. This impacts an unknown function of the file src/search-manager.ts of the component startsearch. Performing a manipulation of the argument SearchResult results in inefficient regular expression complexity. It is...

CVE-2026-10692: Inefficient Regular Expression Complexity

A weakness has been identified in johnhuang316 code-index-mcp up to 2.14.0. Affected is the function issaferegexpattern of the component searchcodeadvanced. Executing a manipulation of the argument regex can lead to inefficient regular expression complexity. It is possible to launch the attack...