{"id":"CVE-2026-32036","aliases":["EUVD-2026-13320","GHSA-mwxv-35wr-4vvj"],"status":"published","title":"OpenClaw \u003c 2026.2.26- Authentication Bypass via Encoded Dot-Segment Traversal in /api/channels","description":"OpenClaw gateway plugin versions prior to 2026.2.26 contain a path traversal vulnerability that allows remote attackers to bypass route authentication checks by manipulating /api/channels paths with encoded dot-segment traversal sequences. Attackers can craft alternate paths using encoded traversal patterns to access protected plugin channel routes when handlers normalize the incoming path, circumventing security controls.","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00459,"percentile":0.40065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22","CWE-289"],"published":"2026-03-03T18:54:35Z","modified":"2026-10-28T02:30:26Z","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"},{"last_affected":"2026.2.25"},{"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-mwxv-35wr-4vvj","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/258d615c45527ffda37cecd08cd268f97461bde0","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-authentication-bypass-via-encoded-dot-segment-traversal-in-api-channels","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32036","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mwxv-35wr-4vvj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32036.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32036","title":"OpenClaw \u003c 2026.2.26- Authentication Bypass via Encoded Dot-Segment Traversal in /api/channels","description":"OpenClaw gateway plugin versions prior to 2026.2.26 contain a path traversal vulnerability that allows remote attackers to bypass route authentication checks by manipulating /api/channels paths with encoded dot-segment traversal sequences. Attackers can craft alternate paths using encoded traversal patterns to access protected plugin channel routes when handlers normalize the incoming path, circumventing security controls.","status":"published","published":"2026-03-19T22:07:10.843Z","modified":"2026-06-23T16:14:51.014Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-289"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-13320","description":"OpenClaw gateway plugin versions prior to 2026.2.26 contain a path traversal vulnerability that allows remote attackers to bypass route authentication checks by manipulating /api/channels paths with encoded dot-segment traversal sequences. Attackers can craft alternate paths using encoded traversal patterns to access protected plugin channel routes when handlers normalize the incoming path, circumventing security controls.","status":"published","published":"2026-03-19T22:07:10Z","modified":"2026-06-23T16:14:51Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:32.273921Z"}],"ghsa":[{"id":"GHSA-mwxv-35wr-4vvj","title":"OpenClaw has gateway plugin auth bypass via encoded dot-segment traversal in protected /api/channels paths","description":"### Summary\nGateway plugin route auth protection for `/api/channels` could be bypassed using encoded dot-segment traversal (for example `..%2f`) in path variants that plugin handlers normalize.\n\n### Affected Packages / Versions\n- Package: npm `openclaw`\n- Latest published vulnerable version: `2026.2.25`\n- Vulnerable version range: `\u003c= 2026.2.25`\n- Patched version: `2026.2.26` (planned next release)\n\n### Impact\nUnder affected versions, crafted alternate paths could bypass gateway auth checks for protected plugin channel routes when plugin handlers decode/canonicalize the incoming path and then route to `/api/channels/...` handlers.\n\n### Fix Commit(s)\n- `258d615c45527ffda37cecd08cd268f97461bde0`\n\n### Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.26`). After npm publish, maintainers only need to publish the advisory.\n\nOpenClaw thanks @zpbrent for reporting.","status":"published","published":"2026-03-03T18:54:35Z","modified":"2026-03-30T13:15:27Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/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":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-22","CWE-289"],"updated_at":"2026-11-02T14:39:44.97342Z"}],"nvd":[{"id":"CVE-2026-32036","description":"OpenClaw gateway plugin versions prior to 2026.2.26 contain a path traversal vulnerability that allows remote attackers to bypass route authentication checks by manipulating /api/channels paths with encoded dot-segment traversal sequences. Attackers can craft alternate paths using encoded traversal patterns to access protected plugin channel routes when handlers normalize the incoming path, circumventing security controls.","status":"published","published":"2026-03-19T22:16:39.583Z","modified":"2026-06-17T10:34:59.313Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/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":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-289","CWE-22"],"updated_at":"2026-11-02T14:12:10.126802Z"}],"osv":[{"id":"CVE-2026-32036","title":"OpenClaw \u003c 2026.2.26- Authentication Bypass via Encoded Dot-Segment Traversal in /api/channels","description":"OpenClaw gateway plugin versions prior to 2026.2.26 contain a path traversal vulnerability that allows remote attackers to bypass route authentication checks by manipulating /api/channels paths with encoded dot-segment traversal sequences. Attackers can craft alternate paths using encoded traversal patterns to access protected plugin channel routes when handlers normalize the incoming path, circumventing security controls.","status":"published","published":"2026-03-19T22:07:10.843Z","modified":"2026-10-28T02:30:26.262094243Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-289"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-mwxv-35wr-4vvj","title":"OpenClaw has gateway plugin auth bypass via encoded dot-segment traversal in protected /api/channels paths","description":"### Summary\nGateway plugin route auth protection for `/api/channels` could be bypassed using encoded dot-segment traversal (for example `..%2f`) in path variants that plugin handlers normalize.\n\n### Affected Packages / Versions\n- Package: npm `openclaw`\n- Latest published vulnerable version: `2026.2.25`\n- Vulnerable version range: `\u003c= 2026.2.25`\n- Patched version: `2026.2.26` (planned next release)\n\n### Impact\nUnder affected versions, crafted alternate paths could bypass gateway auth checks for protected plugin channel routes when plugin handlers decode/canonicalize the incoming path and then route to `/api/channels/...` handlers.\n\n### Fix Commit(s)\n- `258d615c45527ffda37cecd08cd268f97461bde0`\n\n### Release Process Note\n`patched_versions` is pre-set to the planned next release (`2026.2.26`). After npm publish, maintainers only need to publish the advisory.\n\nOpenClaw thanks @zpbrent for reporting.","status":"published","published":"2026-03-03T18:54:35Z","modified":"2026-03-30T13:31:14.008158Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","level":"medium"},{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/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":"high"}],"cwes":["CWE-22","CWE-289"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}