{"id":"CVE-2026-43527","aliases":["EUVD-2026-27265","GHSA-53vx-pmqw-863c"],"status":"published","title":"OpenClaw \u003c 2026.4.14 - Server-Side Request Forgery via Private Network Navigation","description":"OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0028,"percentile":0.20702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1188","CWE-918"],"published":"2026-04-17T21:58:15Z","modified":"2026-10-28T02:30:49Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.14"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.4.14"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.14"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-53vx-pmqw-863c","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/024f4614a1a1831406e763adc40ef226e3d5e9ed","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/1dabfef28db523e7de81edeb3dd689e9171236a2","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/213c36cf51121ef6c05cfccd78037371f968f31a","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/7eecfa411df3d12e6b810e6ca5df47254fc3db3f","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-via-private-network-navigation","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/pull/66354","tags":["web"]},{"url":"https://github.com/openclaw/openclaw/pull/66386","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43527","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-53vx-pmqw-863c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43527.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-43527","title":"OpenClaw \u003c 2026.4.14 - Server-Side Request Forgery via Private Network Navigation","description":"OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.","status":"published","published":"2026-05-05T11:24:58.766Z","modified":"2026-05-06T12:40:20.761Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918","CWE-1188"],"updated_at":"2026-11-02T13:37:25.103021Z"}],"euvd":[{"id":"EUVD-2026-27265","description":"OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.","status":"published","published":"2026-05-05T11:24:58Z","modified":"2026-05-06T12:40:20Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:05:16.683147Z"}],"ghsa":[{"id":"GHSA-53vx-pmqw-863c","title":"OpenClaw: Browser SSRF policy default allowed private-network navigation","description":"## Summary\n\nBrowser SSRF policy default allowed private-network navigation.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.14`\n- Patched versions: `\u003e= 2026.4.14`\n\n## Impact\n\nBrowser SSRF protection could allow private-network navigation by default in paths where restrictive behavior was expected, exposing internal services or metadata endpoints through browser-driven requests.\n\n## Technical Details\n\nThe fix preserves strict SSRF configuration semantics, keeps private-network access disabled unless explicitly opted in, and updates loopback CDP readiness handling for the stricter default.\n\n## Fix\n\nThe issue was fixed in #66354 and #66386. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `024f4614a1a1831406e763adc40ef226e3d5e9ed`\n- `1dabfef28db523e7de81edeb3dd689e9171236a2`\n- `213c36cf51121ef6c05cfccd78037371f968f31a`\n- `7eecfa411df3d12e6b810e6ca5df47254fc3db3f`\n- PR: #66354, #66386\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.14 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.","status":"published","published":"2026-04-17T21:58:15Z","modified":"2026-05-08T01:32:16Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918","CWE-1188"],"updated_at":"2026-11-02T14:40:03.762927Z"}],"nvd":[{"id":"CVE-2026-43527","description":"OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.","status":"published","published":"2026-05-05T12:16:18.777Z","modified":"2026-06-17T10:49:51.317Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/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":"medium","assessor":"secondary"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-918","CWE-1188"],"updated_at":"2026-11-02T14:12:17.022502Z"}],"osv":[{"id":"CVE-2026-43527","title":"OpenClaw \u003c 2026.4.14 - Server-Side Request Forgery via Private Network Navigation","description":"OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.","status":"published","published":"2026-05-05T11:24:58.766Z","modified":"2026-10-28T02:30:49.313681396Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"cwes":["CWE-1188","CWE-918"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-53vx-pmqw-863c","title":"OpenClaw: Browser SSRF policy default allowed private-network navigation","description":"## Summary\n\nBrowser SSRF policy default allowed private-network navigation.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.14`\n- Patched versions: `\u003e= 2026.4.14`\n\n## Impact\n\nBrowser SSRF protection could allow private-network navigation by default in paths where restrictive behavior was expected, exposing internal services or metadata endpoints through browser-driven requests.\n\n## Technical Details\n\nThe fix preserves strict SSRF configuration semantics, keeps private-network access disabled unless explicitly opted in, and updates loopback CDP readiness handling for the stricter default.\n\n## Fix\n\nThe issue was fixed in #66354 and #66386. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `024f4614a1a1831406e763adc40ef226e3d5e9ed`\n- `1dabfef28db523e7de81edeb3dd689e9171236a2`\n- `213c36cf51121ef6c05cfccd78037371f968f31a`\n- `7eecfa411df3d12e6b810e6ca5df47254fc3db3f`\n- PR: #66354, #66386\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.14 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.","status":"published","published":"2026-04-17T21:58:15Z","modified":"2026-05-08T01:49:12.49899Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-1188","CWE-918"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}