{"id":"GHSA-vw3h-q6xq-jjm5","summary":"OpenClaw: Voice-call realtime WebSocket accepted oversized frames","details":"## Summary\n\nVoice-call realtime WebSocket accepted oversized frames.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003e= 2026.4.9 \u003c 2026.4.10`\n- Patched versions: `\u003e= 2026.4.10`\n\n## Impact\n\nThe voice-call realtime WebSocket path could accept oversized frames, creating a remote availability risk for deployments exposing that webhook path.\n\n## Technical Details\n\nThe fix rejects oversized realtime WebSocket frames before processing them.\n\n## Fix\n\nThe issue was fixed in #63890. The first stable tag containing the fix is `v2026.4.10`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `afadb7dae6738819ad9c7d2597ace0516957d20e`\n- PR: #63890\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Reporters\n\nThanks to G0odUser from ADLab of VenusTech\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.","aliases":["CVE-2026-42437"],"modified":"2026-06-08T23:30:14.364614357Z","published":"2026-04-17T21:48:36Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-04-17T21:48:36Z","nvd_published_at":"2026-05-05T12:16:18Z","cwe_ids":["CWE-400","CWE-770"]},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-vw3h-q6xq-jjm5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42437"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/pull/63890"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/afadb7dae6738819ad9c7d2597ace0516957d20e"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-oversized-websocket-frames-in-voice-call-realtime-path"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2026.4.9"},{"fixed":"2026.4.10"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-vw3h-q6xq-jjm5/GHSA-vw3h-q6xq-jjm5.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:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}