{"id":"CVE-2026-33578","aliases":["GHSA-63mg-xp9j-jfcm"],"url":"https://o3.security/vulnerability/CVE-2026-33578","summary":"OpenClaw < 2026.3.28 - Sender Policy Allowlist Bypass via Policy Downgrade in Google Chat and Zalouser Extensions","details":"## Summary\n\nWhen only a route-level group allowlist was configured, sender policy resolution silently downgraded from `allowlist` to `open` instead of preserving the configured group policy.\n\n## Impact\n\nAny member of an allowlisted Google Chat space or Zalouser group could interact with the bot even when the operator intended sender-level restrictions.\n\n## Affected Component\n\n`extensions/googlechat/src/monitor-access.ts, extensions/zalouser/src/monitor.ts`\n\n## Fixed Versions\n\n- Affected: `<= 2026.3.24`\n- Patched: `>= 2026.3.28`\n- Latest stable `2026.3.28` contains the fix.\n\n## Fix\n\nFixed by commit `e64a881ae0` (`Channels: preserve routed group policy`).\n\nOpenClaw thanks @AntAISecurityLab for reporting.","published":"2026-03-31T14:10:31.778Z","modified":"2026-08-12T03:51:15.011637054Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.3.28"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4","label":"openclaw/openclaw@e64a881"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33578.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33578"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via-policy-downgrade-in-google-chat-and-zalouser-extensions"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:15.011637054Z"}}