CWE-1333— Inefficient Regular Expression Complexity (ReDoS)
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.— MITRE CWE catalog
608 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-1333page 12 of 13
- CVE-2026-102270MEDIUMCVSS 4.9EG 4.92026-09-28
PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT is_pem_format is affected because lazy PEM regular expression backtracks extensively. This occurs when a certificate-like input contains repeated BEGIN ma…
- CVE-2026-70656MEDIUMCVSS 4.9EG 4.92026-08-21
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…
- CVE-2026-22809MEDIUMCVSS 4.4EG 4.42026-01-13
tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is…
- CVE-2026-120217MEDIUMCVSS 4.3EG 4.32026-11-01
A vulnerability was detected in Delgan loguru 0.7.3. The affected element is the function AnsiParser.feed of the file loguru/_colorizer.py of the component ANSI Color-Markup Parser. Performing a manipulation results in inefficient regular …
- CVE-2026-106454MEDIUMCVSS 4.3EG 4.32026-10-06
Twisted is an event-based framework for internet applications, supporting Python 3.6+. In 25.5.0 and earlier, wildcardToRegexp() in twisted/mail/imap4.py translates the IMAP asterisk and percent wildcards but passes all other characters fr…
- CVE-2026-102408MEDIUMCVSS 4.3EG 4.32026-10-06
Inefficient Regular Expression Complexity (CWE-1333) in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup (CAPEC-492). The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-suppli…
- CVE-2026-77082MEDIUMCVSS 4.3EG 4.32026-08-20
n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service (ReDoS) vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp() and execute…
- CVE-2026-72912MEDIUMCVSS 4.3EG 4.32026-08-10
CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.3.0, CyberChef's pretty-recipe parser in src/core/Utils.mjs can exhaust client-side CPU when a malformed #recipe= URL fragment containing a large …
- CVE-2026-10692MEDIUMCVSS 4.3EG 4.32026-06-02
A weakness has been identified in johnhuang316 code-index-mcp up to 2.14.0. Affected is the function is_safe_regex_pattern of the component search_code_advanced. Executing a manipulation of the argument regex can lead to inefficient regula…
- CVE-2026-10691MEDIUMCVSS 4.3EG 4.32026-06-02
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 start_search. Performing a manipulation of the argument SearchResult[…
- CVE-2026-10291MEDIUMCVSS 4.3EG 4.32026-06-01
A security vulnerability has been detected in Enderfga claw-orchestrator up to 3.7.0. The impacted element is the function validateRegex of the file claw-orchestrator/src/embedded-server.ts of the component Session Grep Endpoint. The manip…
- CVE-2025-4690MEDIUMCVSS 4.3EG 4.32025-08-19
A regular expression used by AngularJS' linky https://docs.angularjs.org/api/ngSanitize/filter/linky filter to detect URLs in input text is vulnerable to super-linear runtime due to backtracking. With a large carefully-crafted input, t…
- CVE-2025-7579MEDIUMCVSS 4.3EG 4.32025-07-14
A vulnerability was found in chinese-poetry 0.1. It has been rated as problematic. This issue affects some unknown processing of the file rank/server.js. The manipulation leads to inefficient regular expression complexity. The attack may b…
- CVE-2025-43880MEDIUMCVSS 4.3EG 4.32025-06-25
Inefficient regular expression complexity issue exists in GROWI prior to v7.1.6. If exploited, a logged-in user may cause a denial of service (DoS) condition.
- CVE-2025-6069MEDIUMCVSS 4.3EG 4.32025-06-17
The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.
- CVE-2025-5890MEDIUMCVSS 4.3EG 4.32025-06-09
A vulnerability classified as problematic has been found in actions toolkit 0.5.0. This affects the function globEscape of the file toolkit/packages/glob/src/internal-pattern.ts of the component glob. The manipulation leads to inefficient …
- CVE-2025-3986MEDIUMCVSS 4.3EG 4.32025-04-27
A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\core\cas-server-core-configuration-metadata-repository\src\main\java\org\apereo\cas\metadata\…
- CVE-2024-54157MEDIUMCVSS 4.3EG 4.32024-12-04
In JetBrains YouTrack before 2024.3.52635 potential ReDoS was possible due to vulnerable RegExp in Ruby syntax detector
- CVE-2020-36830MEDIUMCVSS 4.3EG 4.32024-09-02
A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expres…
- CVE-2024-3114MEDIUMCVSS 4.3EG 4.32024-08-08
An issue was discovered in GitLab CE/EE affecting all versions starting from 11.10 prior to 17.0.6, 17.1 prior to 17.1.4, and 17.2 prior to 17.2.2, with the processing logic for parsing invalid commits can lead to a regular expression DoS …
- CVE-2023-6502MEDIUMCVSS 4.3EG 4.32024-05-23
A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafte…
- CVE-2023-6678MEDIUMCVSS 4.3EG 4.32024-04-12
An issue has been discovered in GitLab EE affecting all versions before 16.8.6, all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. It was possible for an attacker to cause a denial of service u…
- CVE-2023-6489MEDIUMCVSS 4.3EG 4.32024-04-12
A denial of service vulnerability was identified in GitLab CE/EE, versions 16.7.7 prior to 16.8.6, 16.9 prior to 16.9.4 and 16.10 prior to 16.10.2 which allows an attacker to spike the GitLab instance resources usage resulting in service d…
- CVE-2023-3909MEDIUMCVSS 4.3EG 4.32023-11-06
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was …
- CVE-2023-39174MEDIUMCVSS 4.3EG 4.32023-07-25
In JetBrains TeamCity before 2023.05.2 a ReDoS attack was possible via integration with issue trackers
- CVE-2022-2908MEDIUMCVSS 4.3EG 4.32022-10-17
A potential DoS vulnerability was discovered in Gitlab CE/EE versions starting from 10.7 before 15.1.5, all versions starting from 15.2 before 15.2.3, all versions starting from 15.3 before 15.3.1 allowed an attacker to trigger high CPU us…
- CVE-2021-41115MEDIUMCVSS 4.3EG 4.32021-10-07
Zulip is an open source team chat server. In affected versions Zulip allows organization administrators on a server to configure "linkifiers" that automatically create links from messages that users send, detected via arbitrary regular exp…
- CVE-2018-25077MEDIUMCVSS 3.5EG 4.32023-01-18
A vulnerability was found in melnaron mel-spintax. It has been rated as problematic. Affected by this issue is some unknown functionality of the file lib/spintax.js. The manipulation of the argument text leads to inefficient regular expres…
- CVE-2022-4891MEDIUMCVSS 3.5EG 4.32023-01-17
A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexi…
- CVE-2026-77387MEDIUMCVSS 4.0EG 4.02026-10-01
geopy is a geocoding library for Python. Prior to 2.5.0, geopy.Point and Point.from_string() can spend excessive CPU time due to inefficient regular-expression behavior when an application passes a long malformed coordinate string without …
- CVE-2025-27220MEDIUMCVSS 4.0EG 4.02025-03-04
In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
- CVE-2026-81725LOWCVSS 3.7EG 3.72026-08-27
NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers c…
- CVE-2025-4727LOWCVSS 3.7EG 3.72025-05-15
A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to ineffic…
- CVE-2024-9506LOWCVSS 3.7EG 3.72024-10-15
Improper regular expression in Vue's parseHTML function leads to a potential regular expression denial of service vulnerability.
- CVE-2023-26112LOWCVSS 3.7EG 3.72023-04-03
All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only exploitable in the case of a developer, putting the offending valu…
- CVE-2024-9277LOWCVSS 3.5EG 3.52024-09-27
A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. …
- CVE-2021-4437LOWCVSS 3.5EG 3.52024-02-12
A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer…
- CVE-2023-3906LOWCVSS 3.5EG 3.52023-09-29
An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
- CVE-2026-11478LOWCVSS 3.3EG 3.32026-06-08
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 e…
- CVE-2026-4539LOWCVSS 3.3EG 3.32026-03-22
A security flaw has been discovered in pygments up to 2.19.2. The impacted element is the function AdlLexer of the file pygments/lexers/archetype.py. The manipulation results in inefficient regular expression complexity. The attack is only…
- CVE-2026-111714LOWCVSS 3.1EG 3.12026-10-16
tarteaucitron.js before 1.37.0 contains a regular expression denial of service vulnerability that allows attackers to block visitor pages by supplying unescaped cookie names to cookie.purge. Attackers can plant a cookie from a sibling subd…
- CVE-2025-5889LOWCVSS 3.1EG 3.12025-06-09
A vulnerability was found in juliangruber brace-expansion up to 1.1.11/2.0.1/3.0.0/4.0.0. It has been rated as problematic. Affected by this issue is the function expand of the file index.js. The manipulation leads to inefficient regular e…
- CVE-2025-4215LOWCVSS 3.1EG 3.12025-05-02
A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to ineffic…
- CVE-2024-6434LOWCVSS 3.1EG 3.12024-07-04
The Premium Addons for Elementor plugin for WordPress is vulnerable to Regular Expression Denial of Service (ReDoS) in all versions up to, and including, 4.10.35. This is due to processing user-supplied input as a regular expression. This …
- CVE-2025-69873LOWCVSS 2.9EG 2.92026-02-11
ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is …
- CVE-2025-48059LOWCVSS 2.7EG 2.72025-06-20
PowSyBl (Power System Blocks) is a framework to build power system oriented software. In com.powsybl:powsybl-iidm-criteria versions 6.3.0 to before 6.7.2 and com.powsybl:powsybl-contingency-api versions 5.0.0 to before 6.3.0, there is a a …
- CVE-2025-3985LOWCVSS 2.7EG 2.72025-04-27
A vulnerability was found in Apereo CAS 5.2.6. It has been classified as problematic. This affects the function ResponseEntity of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\M…
- CVE-2024-28864LOWCVSS 2.6EG 2.62024-03-18
SecureProps is a PHP library designed to simplify the encryption and decryption of property data in objects. A vulnerability in SecureProps version 1.2.0 and 1.2.1 involves a regex failing to detect tags during decryption of encrypted data…
- CVE-2026-120645UnratedEG not assessed2026-11-03
CGI versions before 5.00 for Perl allow denial of service via submitted values used as a regex for optgroup selection in scrolling_list. When rendering option groups, scrolling_list marks the selected options by interpolating each selecte…
- CVE-2026-120632UnratedEG not assessed2026-11-03
CGI versions before 5.00 for Perl allow CPU exhaustion via a backtracking regex on the XForms multipart/related Content-Type. When a POST Content-Type contains multipart/related, the boundary and start parameters are extracted with an una…
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