{"id":"CVE-2026-22178","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-22178","generatedAt":"2026-10-27T23:56:34.420Z","title":"OpenClaw versions prior to 2026.2.19 construct RegExp objects directly from unescaped Feishu mention metadata in the stripBotMention function, allowing regex injection and denial of service.","description":"OpenClaw versions prior to 2026.2.19 construct RegExp objects directly from unescaped Feishu mention metadata in the stripBotMention function, allowing regex injection and denial of service. Attackers can craft nested-quantifier patterns or metacharacters in mention metadata to trigger catastrophic backtracking, block message processing, or remove unintended content before model processing.","published":"2026-03-18T02:16:22.000Z","lastModified":"2026-06-17T10:19:29.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-1333"],"affected":["openclaw/openclaw"],"epss":{"score":0.00323,"percentile":0.25164,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/openclaw/openclaw/commit/74268489137510b6f6349919d1e197b17290d92c","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/openclaw/openclaw/commit/7e67ab75cc2f0e93569d12fecd1411c2961fcc8c","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-c6hr-w26q-c636","tags":["Vendor Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openclaw-redos-and-regex-injection-via-unescaped-feishu-mention-metadata","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-22178","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}