{"id":"GHSA-63mg-xp9j-jfcm","summary":"OpenClaw: Google Chat and Zalouser group sender allowlist bypass via policy downgrade","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: `\u003c= 2026.3.24`\n- Patched: `\u003e= 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.","aliases":["CVE-2026-33578"],"modified":"2026-04-06T17:05:23.034010Z","published":"2026-04-01T00:01:10Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-04-01T00:01:10Z","nvd_published_at":"2026-03-31T15:16:14Z","cwe_ids":["CWE-863"]},"references":[{"type":"WEB","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":"WEB","url":"https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via-policy-downgrade-in-google-chat-and-zalouser-extensions"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.28"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2026.3.24","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-63mg-xp9j-jfcm/GHSA-63mg-xp9j-jfcm.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}