{"id":"CVE-2026-31991","aliases":["EUVD-2026-13021","GHSA-wm8r-w8pf-2v6w"],"status":"published","title":"OpenClaw \u003c 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist","description":"OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.","severity":{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00162,"percentile":0.05455,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-03-02T22:14:56Z","modified":"2026-10-28T02:30:48Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.26"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.2.26"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.26"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-wm8r-w8pf-2v6w","tags":["vendor-advisory","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/8bdda7a651c21e98faccdbbd73081e79cffe8be0","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/64de4b6d6ae81e269ceb4ca16f53cda99ced967a","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-dm-pairing-store-leakage-in-signal-group-allowlist","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31991","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wm8r-w8pf-2v6w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31991.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-31991","title":"OpenClaw \u003c 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist","description":"OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.","status":"published","published":"2026-03-19T01:00:50.508Z","modified":"2026-06-23T16:14:20.57Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:19:51.277563Z"}],"euvd":[{"id":"EUVD-2026-13021","description":"OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.","status":"published","published":"2026-03-19T01:00:50Z","modified":"2026-06-23T16:14:20Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T18:20:32.768333Z"}],"ghsa":[{"id":"GHSA-wm8r-w8pf-2v6w","title":"OpenClaw has Signal group allowlist authorization bypass via DM pairing-store leakage","description":"### Summary\nIn OpenClaw `2026.2.25`, Signal group authorization under `groupPolicy=allowlist` could accept sender identities sourced from DM pairing-store approvals. This allowed DM pairing approvals to leak into group allowlist evaluation.\n\n### Impact\nThis is an authorization-boundary weakness between DM pairing and group allowlist controls. A sender approved for DM pairing could pass group checks without explicit group allowlisting.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published version affected: `2026.2.25`\n- Vulnerable range: `\u003c= 2026.2.25`\n- Patched version (planned next release): `\u003e= 2026.2.26`\n\n### Fix\nOpenClaw now keeps DM pairing-store entries DM-only and enforces explicit group allowlist boundaries in shared DM/group policy resolution used by Signal and other channels.\n\n### Fix Commit(s)\n- `8bdda7a651c21e98faccdbbd73081e79cffe8be0`\n- `64de4b6d6ae81e269ceb4ca16f53cda99ced967a`\n\n### Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.26`). After npm publish of that version, this advisory is ready to publish without further content edits.\n\nThanks @tdjackey for reporting.","status":"published","published":"2026-03-02T22:14:56Z","modified":"2026-03-20T21:36:15Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:39:40.633038Z"}],"nvd":[{"id":"CVE-2026-31991","description":"OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.","status":"published","published":"2026-03-19T02:16:03.863Z","modified":"2026-06-17T10:34:53.52Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/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":"low","assessor":"secondary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-31991","title":"OpenClaw \u003c 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist","description":"OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.","status":"published","published":"2026-03-19T01:00:50.508Z","modified":"2026-10-28T02:30:48.420537423Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-wm8r-w8pf-2v6w","title":"OpenClaw has Signal group allowlist authorization bypass via DM pairing-store leakage","description":"### Summary\nIn OpenClaw `2026.2.25`, Signal group authorization under `groupPolicy=allowlist` could accept sender identities sourced from DM pairing-store approvals. This allowed DM pairing approvals to leak into group allowlist evaluation.\n\n### Impact\nThis is an authorization-boundary weakness between DM pairing and group allowlist controls. A sender approved for DM pairing could pass group checks without explicit group allowlisting.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published version affected: `2026.2.25`\n- Vulnerable range: `\u003c= 2026.2.25`\n- Patched version (planned next release): `\u003e= 2026.2.26`\n\n### Fix\nOpenClaw now keeps DM pairing-store entries DM-only and enforces explicit group allowlist boundaries in shared DM/group policy resolution used by Signal and other channels.\n\n### Fix Commit(s)\n- `8bdda7a651c21e98faccdbbd73081e79cffe8be0`\n- `64de4b6d6ae81e269ceb4ca16f53cda99ced967a`\n\n### Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.26`). After npm publish of that version, this advisory is ready to publish without further content edits.\n\nThanks @tdjackey for reporting.","status":"published","published":"2026-03-02T22:14:56Z","modified":"2026-03-20T22:11:22.662622Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:58.767335Z"}]}}