CVE-2026-59220 Open WebUI: ReDoS in skill-mention regexes causes whole-instance DoS on default config

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.2 before 0.10.0, the SKILLMENTIONRE and stripre regular expressions in backend/openwebui/utils/middleware.py parsed skill mentions with overlapping quantifiers, allowing an authenticated chat message...

CVE-2026-59220

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.2 before 0.10.0, the SKILLMENTIONRE and stripre regular expressions in backend/openwebui/utils/middleware.py parsed skill mentions with overlapping quantifiers, allowing an authenticated chat message...

CVE-2026-59220

Open WebUI (self-hosted AI platform) has a ReDoS in theSkill mention handling. In versions before 0.10.0, the SKILL_MENTION_RE and strip_re regexes in backend/open_webui/utils/middleware.py parsed mentions with overlapping quantifiers, allowing an authenticated user to send a message containing ...

CVE-2026-59820

A flaw was found in LiteLLM, a proxy server for Large Language Model LLM APIs. An authenticated user, with specific API route access, could upload a specially crafted skill archive. This archive, containing path traversal entries, would allow files to be written outside of the designated extracti...

PT-2026-56829

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.2 through 0.9.x Description An issue exists in the SKILL MENTION RE and strip re regular expressions within the backend/open webui/utils/middleware.py file. These expressions parse skill mentions in the format using...

Directory Traversal

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Directory Traversal via path traversal in the skill archive extraction logic in SkillPromptInjectionHandler and SkillsSandboxExecutor. An authenticated user with access to...

CVE-2026-59820

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.7-stable, LiteLLM Skills archive extraction did not sufficiently validate file paths from uploaded skill ZIP archives, allowing an authenticated user with access to LiteLLM LLM API routes or a key whos...

CVE-2026-59820

LiteLLM is a proxy AI gateway. A path traversal flaw existed in LiteLLM Skills archive extraction prior to version 1.83.7-stable, where uploaded skill ZIPs could write outside the intended extraction directory when an authenticated user accessed LLM API routes or held a key with /v1/skills, anthr...

CVE-2026-59820 LiteLLM: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.7-stable, LiteLLM Skills archive extraction did not sufficiently validate file paths from uploaded skill ZIP archives, allowing an authenticated user with access to LiteLLM LLM API routes or a key whos...

CVE-2026-59820 LiteLLM: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.7-stable, LiteLLM Skills archive extraction did not sufficiently validate file paths from uploaded skill ZIP archives, allowing an authenticated user with access to LiteLLM LLM API routes or a key whos...

PT-2026-56543

Name of the Vulnerable Software and Affected Versions LiteLLM versions prior to 1.83.7-stable Description LiteLLM, a proxy server used to call LLM APIs, contains a flaw in its Skills archive extraction process. An authenticated user with access to the LLM API routes or a key permitted to use...

CVE-2026-14783 NousResearch hermes-agent skills_tool.py skill_view path traversal

A vulnerability was determined in NousResearch hermes-agent 2026.5.29.2. The impacted element is the function skillview of the file tools/skillstool.py. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely. The exploit has been publicly...

CVE-2026-14783

A vulnerability was determined in NousResearch hermes-agent 2026.5.29.2. The impacted element is the function skillview of the file tools/skillstool.py. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely. The exploit has been publicly...

CVE-2026-14783

NousResearch hermes-agent 2026.5.29.2 is affected; the vulnerability is in skills_tool.py, function skill_view, where manipulating the Name argument enables path traversal via a remote attack. Public disclosure of the exploit exists. A patch identified as 56f833efa427ccb444c0f9ad1759af1012f2124d ...

CVE-2026-58578

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service ReDoS vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craf...

CVE-2026-58578 LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service ReDoS vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craf...

CVE-2026-58578

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service ReDoS vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craf...

CVE-2026-58578 LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service ReDoS vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craf...

CVE-2026-58578

CVE-2026-58578 affects LobeChat prior to version 2.2.10-canary.15. A crafted basePath containing unescaped regex metacharacters in a GitHub repository URL path during skill import is used to inject a catastrophic-backtracking pattern into a dynamically constructed regex in the findSkillMd functio...

CVE-2026-58578 LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service ReDoS vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craf...