{"id":"CVE-2026-35652","aliases":["EUVD-2026-21450","GHSA-8883-9w57-vwv6"],"status":"published","title":"OpenClaw \u003c 2026.3.22 - Unauthorized Action Execution via Callback Dispatch","description":"OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender authorization checks by dispatching callbacks before normal security validation completes, enabling unauthorized actions.","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00436,"percentile":0.38196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-696","CWE-863"],"published":"2026-03-26T21:23:04Z","modified":"2026-10-28T02:30:34Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.22"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.3.22"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.22"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-8883-9w57-vwv6","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-unauthorized-action-execution-via-callback-dispatch","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35652","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8883-9w57-vwv6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35652.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-35652","title":"OpenClaw \u003c 2026.3.22 - Unauthorized Action Execution via Callback Dispatch","description":"OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender authorization checks by dispatching callbacks before normal security validation completes, enabling unauthorized actions.","status":"published","published":"2026-04-10T16:03:15.676Z","modified":"2026-06-23T16:16:09.476Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-696"],"updated_at":"2026-11-02T14:20:05.505362Z"}],"euvd":[{"id":"EUVD-2026-21450","description":"OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender authorization checks by dispatching callbacks before normal security validation completes, enabling unauthorized actions.","status":"published","published":"2026-04-10T16:03:15Z","modified":"2026-06-23T16:16:09Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-02T18:20:31.896888Z"}],"ghsa":[{"id":"GHSA-8883-9w57-vwv6","title":"OpenClaw: Mattermost callback dispatch allowed non-allowlisted sender actions","description":"## Summary\nMattermost interactive callback dispatch could run action handlers before normal sender authorization checks completed.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- extensions/mattermost/src/mattermost/interactions.ts now requires callback authorization before dispatching actions.\n- extensions/mattermost/src/mattermost/monitor.ts routes callback authorization through the same sender and allowlist policy used for normal ingress.\n\nOpenClaw thanks @zpbrent for reporting.","status":"published","published":"2026-03-26T21:23:04Z","modified":"2026-04-10T19:41:55Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-285","CWE-696","CWE-863"],"updated_at":"2026-11-02T14:39:52.102227Z"}],"nvd":[{"id":"CVE-2026-35652","description":"OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender authorization checks by dispatching callbacks before normal security validation completes, enabling unauthorized actions.","status":"published","published":"2026-04-10T17:17:05.987Z","modified":"2026-06-17T10:40:58.037Z","cvss":[{"version":"4.0","score":6.9,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-696"],"updated_at":"2026-11-02T14:12:14.37744Z"}],"osv":[{"id":"CVE-2026-35652","title":"OpenClaw \u003c 2026.3.22 - Unauthorized Action Execution via Callback Dispatch","description":"OpenClaw before 2026.3.22 contains an authorization bypass vulnerability in interactive callback dispatch that allows non-allowlisted senders to execute action handlers. Attackers can bypass sender authorization checks by dispatching callbacks before normal security validation completes, enabling unauthorized actions.","status":"published","published":"2026-04-10T16:03:15.676Z","modified":"2026-10-28T02:30:34.311938902Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"cwes":["CWE-696"],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"GHSA-8883-9w57-vwv6","title":"OpenClaw: Mattermost callback dispatch allowed non-allowlisted sender actions","description":"## Summary\nMattermost interactive callback dispatch could run action handlers before normal sender authorization checks completed.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- extensions/mattermost/src/mattermost/interactions.ts now requires callback authorization before dispatching actions.\n- extensions/mattermost/src/mattermost/monitor.ts routes callback authorization through the same sender and allowlist policy used for normal ingress.\n\nOpenClaw thanks @zpbrent for reporting.","status":"published","published":"2026-03-26T21:23:04Z","modified":"2026-04-10T20:05:16.440094Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"},{"version":"4.0","score":6.9,"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","level":"medium"}],"cwes":["CWE-285","CWE-696","CWE-863"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}