CVE-2026-70493

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...

GHSA-2F54-P244-32Q6 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

Summary The built-in knowledge search tools let a chat participant choose the pattern used to grep knowledge files. Patterns containing regex metacharacters were compiled with Python's backtracking re engine and run against every line of every reachable file, with no time limit anywhere on that...

CVE-2026-70493 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

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-2026-70493

Open WebUI vulnerability CVE-2026-70493 affects the knowledge search path in backend/open_webui/tools/knowledge_fs.py and backend/open_webui/tools/builtin.py for builds from 0.9.6 to 0.11.0. A chat participant can supply a pattern containing regex metacharacters; these patterns were compiled with...

EUVD-2026-52925

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-2026-70493

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-2026-70493 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

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-2026-70493 Open WebUI: Any authenticated user can stall a worker via a knowledge-search pattern that backtracks catastrophically

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...

GHSA-52FH-8V99-63C2 Flowise: Pyodide validator Unicode homoglyph bypass leads to RCE

Summary The validatePythonCodeForDataFrame blacklist in packages/components/src/pythonCodeValidator.ts can be bypassed with Unicode homoglyph identifiers, allowing arbitrary Python execution inside Pyodide and full OS command execution on the Flowise host via Pyodide's js module interop. This...

Malicious code in @onereach/regex-helper (npm)

npm/@onereach/regex-helper is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

ROOT-APP-NPM-CVE-2021-3795 CVE-2021-3795 in semver-regex - Patched by Root

Root has patched CVE-2021-3795 in the semver-regex package for Root:npm. Multiple fixed versions available...

ROOT-APP-NPM-CVE-2021-43307 CVE-2021-43307 in semver-regex - Patched by Root

Root has patched CVE-2021-43307 in the semver-regex package for Root:npm. Multiple fixed versions available...

SUSE-SU-2026:23140-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-42533: map directive and regex matching vulnerability bsc1271514...

SUSE-SU-2026:23118-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-42533: map directive and regex matching vulnerability bsc1271514...

OPENSUSE-SU-2026:21524-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-42533: map directive and regex matching vulnerability bsc1271514...

CLSA-2026-1782089817 TuxCare security update for ansi-regex (1 CVE)

TuxCare rebuilt ansi-regex to address 1 CVE. Fixed in 3.0.0-tuxcare.1...

mingw-glib2 security update

An update is available for mingw-glib2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and...

Natural Language Toolkit (NLTK): ReDoS in NLTK ReviewsCorpusReader FEATURES regex

SummaryReviewsCorpusReader extracts feature annotations of the form label followed by a bracketed signed digit e.g. a label then +2 from each review line, using the module-level FEATURES regex. The feature-label sub-pattern is unbounded — an optional greedy run of word-plus-whitespace groups...

Thumbor treats ALLOWED_SOURCES string patterns as unescaped regex, allowing hostname bypass via wildcard dot

SummaryThe ALLOWEDSOURCES configuration is meant to restrict which hosts Thumbor's HTTP loader may fetch images from. Plain-string entries in that list the overwhelming majority of real-world and documented configurations are passed directly to re.match without escaping. Because . is a regex...

PYSEC-2026-3617 Thumbor treats ALLOWED_SOURCES string patterns as unescaped regex, allowing hostname bypass via wildcard dot

Summary The ALLOWEDSOURCES configuration is meant to restrict which hosts Thumbor's HTTP loader may fetch images from. Plain-string entries in that list the overwhelming majority of real-world and documented configurations are passed directly to re.match without escaping. Because . is a regex...