Description
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 craft a malicious basePath value containing unescaped regex metacharacters such as catastrophic-backtracking patterns, which are injected into a dynamically constructed regular expression in the findSkillMd function and executed synchronously against archive entries, denying service to all concurrent users for tens of seconds per request.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
lobehub lobehub
Default version status: affected
0 to < 2.2.10-canary.15affected
pkg:github/lobehub/lobehubReferences
- https://github.com/lobehub/lobehub/releases/tag/v2.2.10-canary.15 ↗
- https://github.com/lobehub/lobehub/issues/16494 ↗
- https://github.com/lobehub/lobehub/pull/16548 ↗
- https://github.com/lobehub/lobehub/commit/349bbe326eb8635d6d9c6a96d12702681ae3a84a ↗
- https://www.vulncheck.com/advisories/lobechat-canary-15-regular-expression-denial-of-service-in-github-skill-import ↗