{"id":"GHSA-p464-m8x6-vhv8","summary":"OpenClaw: MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion","details":"## Summary\nMS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: medium\n- Assessment: v2026.3.28 still parses Teams JSON after only a Bearer-prefix gate and before real JWT validation, and the auth-before-parse fix is not yet shipped.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `3834d47099dd13c8244ed6de8b9ea9855c553623` — 2026-03-30T13:46:40+01:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","aliases":["CVE-2026-41405"],"modified":"2026-05-06T02:51:20.087107Z","published":"2026-04-03T02:54:38Z","database_specific":{"nvd_published_at":"2026-04-28T19:37:44Z","cwe_ids":["CWE-400","CWE-408"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-04-03T02:54:38Z"},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-p464-m8x6-vhv8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41405"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/3834d47099dd13c8244ed6de8b9ea9855c553623"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.31"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthenticated-ms-teams-webhook-body-parsing"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.31"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2026.3.28","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-p464-m8x6-vhv8/GHSA-p464-m8x6-vhv8.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:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}