{"id":"CVE-2026-43582","aliases":["GHSA-xq94-r468-qwgj"],"url":"https://o3.security/vulnerability/CVE-2026-43582","summary":"OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass","details":"## Summary\n\nBrowser SSRF hostname validation could be bypassed by DNS rebinding.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `< 2026.4.10`\n- Patched versions: `>= 2026.4.10`\n\n## Impact\n\nBrowser navigation policy could validate a hostname/IP resolution that differed from the address Chromium ultimately used, allowing DNS rebinding style SSRF pivots.\n\n## Technical Details\n\nThe fix tightens strict browser hostname navigation so unallowlisted hostname URLs fail closed under restrictive policy.\n\n## Fix\n\nThe issue was fixed in #64367. 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- `121c452d666d4749744dc2089287d0227aae2ed3`\n- PR: #64367\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## Credits\n\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.","published":"2026-05-06T19:49:24.759Z","modified":"2026-08-12T03:51:09.704561697Z","cvss":null,"epss":{"score":0.00199,"percentile":0.0993,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.4.10"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3","label":"openclaw/openclaw@121c452"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43582.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-xq94-r468-qwgj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43582"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-dns-rebinding-ssrf-via-hostname-validation-bypass"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/121c452d666d4749744dc2089287d0227aae2ed3"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/pull/64367"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:09.704561697Z"}}