{"id":"GHSA-37v6-fxx8-xjmx","summary":"OpenClaw: Telnyx Webhook Replay Detection Bypass via Base64 Signature Re-encoding","details":"## Summary\nTelnyx Webhook Replay Detection Bypass via Base64 Signature Re-encoding\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: low\n- Assessment: Shipped v2026.3.28 replay hashing treated equivalent Telnyx Base64/Base64URL signatures as distinct requests, but signature verification still held, so lower to low.\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- `ad77666054651c1fd77b1dc60fd6a8db6600a29a` — 2026-03-30T20:01:43+01:00\n\n## Release Process Note\n- The fix is already present in released version `2026.3.31`.\n- This draft looks ready for final maintainer disposition or publication, not additional code-fix work.\n\nOpenClaw thanks @AntAISecurityLab for reporting.","aliases":["CVE-2026-41351"],"modified":"2026-05-06T23:41:29.450468Z","published":"2026-04-03T02:58:17Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-04-03T02:58:17Z","nvd_published_at":null,"cwe_ids":["CWE-294"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-37v6-fxx8-xjmx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41351"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/ad77666054651c1fd77b1dc60fd6a8db6600a29a"},{"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-webhook-replay-detection-bypass-via-base64-signature-re-encoding"}],"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-37v6-fxx8-xjmx/GHSA-37v6-fxx8-xjmx.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:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}