{"id":"CVE-2026-58578","state":"PUBLISHED","title":"LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import","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.","publishedAt":"2026-07-02T19:38:21.378Z","updatedAt":"2026-07-14T22:03:18.391Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["lobehub lobehub"],"affected":[{"vendor":"lobehub","product":"lobehub","packageURL":"pkg:github/lobehub/lobehub","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"2.2.10-canary.15","versionType":"custom"}],"repo":"https://github.com/lobehub/lobehub"}],"references":["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"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58578.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58578","state":"PUBLISHED","datePublished":"2026-07-02T19:38:21.378Z","dateUpdated":"2026-07-14T22:03:18.391Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-07-01T15:00:11.163Z"},"containers":{"cna":{"title":"LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import","descriptions":[{"lang":"en","value":"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. 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