{"id":"CVE-2026-43576","aliases":["EUVD-2026-28164","GHSA-3r56-7hhr-vfg9","GHSA-f7fh-qg34-x2xh"],"status":"published","title":"OpenClaw \u003c 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL","description":"OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","severity":{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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":0.00265,"percentile":0.18554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601","CWE-918"],"published":"2026-04-17T22:18:28Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.4.5"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.5"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh","tags":["vendor-advisory","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-second-hop-ssrf-via-cdp-json-version-websocket-url","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43576","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3r56-7hhr-vfg9"},{"url":"https://github.com/openclaw/openclaw/pull/60469","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f7fh-qg34-x2xh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43576.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-43576","title":"OpenClaw \u003c 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL","description":"OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"published","published":"2026-05-06T19:49:20.428Z","modified":"2026-05-07T12:30:31.282Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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-601","CWE-918"],"updated_at":"2026-11-02T13:37:36.275898Z"}],"euvd":[{"id":"EUVD-2026-28164","description":"OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"published","published":"2026-05-06T19:49:20Z","modified":"2026-05-07T12:30:31Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:05:15.366699Z"}],"ghsa":[{"id":"GHSA-3r56-7hhr-vfg9","title":"Duplicate Advisory: OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-f7fh-qg34-x2xh. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"withdrawn","published":"2026-05-06T21:31:42Z","modified":"2026-05-11T16:12:43Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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"},{"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-601"],"updated_at":"2026-11-02T14:40:05.816188Z"},{"id":"GHSA-f7fh-qg34-x2xh","title":"OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets","description":"## Summary\n\nCDP /json/version WebSocket URL could pivot to untrusted second-hop targets.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.5`\n- Patched versions: `\u003e= 2026.4.5`\n\n## Impact\n\nA browser profile could trust a CDP `/json/version` response whose `webSocketDebuggerUrl` pointed at a different host, enabling a second-hop SSRF-style pivot.\n\n## Technical Details\n\nThe fix normalizes and re-validates direct CDP WebSocket targets before connecting.\n\n## Fix\n\nThe issue was fixed in #60469. The first stable tag containing the fix is `v2026.4.5`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `bc356cc8c2beaa747c71dd86cceab8f804699665`\n- PR: #60469\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.5 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @tdjackey for reporting this issue.","status":"published","published":"2026-04-17T22:18:28Z","modified":"2026-05-12T13:34:50Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/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-601","CWE-918"],"updated_at":"2026-11-02T14:40:07.01746Z"}],"nvd":[{"id":"CVE-2026-43576","description":"OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"published","published":"2026-05-06T20:16:33.24Z","modified":"2026-06-17T10:49:53.693Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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"}],"cwes":["CWE-601","CWE-918"],"updated_at":"2026-11-02T14:12:17.418622Z"}],"osv":[{"id":"CVE-2026-43576","title":"OpenClaw \u003c 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL","description":"OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"published","published":"2026-05-06T19:49:20.428Z","modified":"2026-10-28T02:30:45.254371847Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601","CWE-918"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-3r56-7hhr-vfg9","title":"Duplicate Advisory: OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-f7fh-qg34-x2xh. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.","status":"withdrawn","published":"2026-05-06T21:31:42Z","modified":"2026-05-11T16:34:29.863031Z","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":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:36.092962Z"},{"id":"GHSA-f7fh-qg34-x2xh","title":"OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets","description":"## Summary\n\nCDP /json/version WebSocket URL could pivot to untrusted second-hop targets.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.5`\n- Patched versions: `\u003e= 2026.4.5`\n\n## Impact\n\nA browser profile could trust a CDP `/json/version` response whose `webSocketDebuggerUrl` pointed at a different host, enabling a second-hop SSRF-style pivot.\n\n## Technical Details\n\nThe fix normalizes and re-validates direct CDP WebSocket targets before connecting.\n\n## Fix\n\nThe issue was fixed in #60469. The first stable tag containing the fix is `v2026.4.5`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `bc356cc8c2beaa747c71dd86cceab8f804699665`\n- PR: #60469\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.5 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @tdjackey for reporting this issue.","status":"published","published":"2026-04-17T22:18:28Z","modified":"2026-05-12T17:26:30.225541Z","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":4.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601","CWE-918"],"updated_at":"2026-11-02T15:46:46.006631Z"}]}}