{"id":"CVE-2026-53812","aliases":["EUVD-2026-36318","GHSA-2hfg-4fh4-qp7f"],"status":"published","title":"OpenClaw \u003c 2026.5.18 - Private-Network Navigation Bypass via Browser Act Interactions","description":"OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.","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":0.00247,"percentile":0.16082,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284","CWE-918"],"published":"2026-06-11T20:07:51Z","modified":"2026-10-28T02:31:05Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.5.18"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.5.18"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.5.18"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-2hfg-4fh4-qp7f","tags":["vendor-advisory","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-private-network-navigation-bypass-via-browser-act-interactions","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53812","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2hfg-4fh4-qp7f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53812.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-53812","title":"OpenClaw \u003c 2026.5.18 - Private-Network Navigation Bypass via Browser Act Interactions","description":"OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.","status":"published","published":"2026-06-11T20:07:51.76Z","modified":"2026-06-23T16:16:51.876Z","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-918"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-36318","description":"OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.","status":"published","published":"2026-06-11T20:07:51Z","modified":"2026-06-23T16:16:51Z","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":"2026-11-02T18:20:31.896888Z"}],"ghsa":[{"id":"GHSA-2hfg-4fh4-qp7f","title":"OpenClaw's browser act interactions could bypass private-network navigation checks","description":"### Summary\n\nOpenClaw's browser control SSRF checks blocked direct navigation to private or loopback URLs, but some Playwright `act` interactions could trigger navigation after the initial check. A later browser evaluation could then read from the page reached by that action-triggered navigation.\n\nThis issue is specific to browser control actions and private-network navigation policy. Browser evaluation remains an intentional trusted-operator feature when it is used on pages that policy allowed the browser to visit.\n\n### Affected configurations\n\nThis affects deployments where browser control is enabled and an authenticated browser-control caller can interact with an attacker-controlled page that redirects or navigates the tab to a private-network target through a UI action.\n\n### Impact\n\nIf the browser reached a private page through an unchecked action-triggered navigation, a caller with browser evaluation capability could read page content that direct navigation policy would have blocked.\n\nThe issue does not grant access to OpenClaw without authentication. It bypasses the private-network navigation guard for a specific browser action path.\n\n### Patched Versions\n\nThe first stable patched version is `2026.5.18`.\n\n### Mitigations\n\nUpgrade to `openclaw@2026.5.18` or later. Before upgrading, restrict browser-control access to trusted operators and avoid using browser control on untrusted pages in environments with sensitive private web services.","status":"published","published":"2026-07-02T16:00:03Z","modified":"2026-07-02T16:00:03Z","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-284","CWE-918"],"updated_at":"2026-11-02T14:40:37.437888Z"}],"nvd":[{"id":"CVE-2026-53812","description":"OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.","status":"published","published":"2026-06-11T21:16:23.303Z","modified":"2026-06-17T10:58:02.783Z","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-918"],"updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"CVE-2026-53812","title":"OpenClaw \u003c 2026.5.18 - Private-Network Navigation Bypass via Browser Act Interactions","description":"OpenClaw before 2026.5.18 contains a server-side request forgery vulnerability in browser control that allows authenticated users to bypass private-network navigation checks through Playwright act interactions. Attackers can trigger navigation to private-network targets via action-triggered redirects and subsequently read restricted page content using browser evaluation capabilities.","status":"published","published":"2026-06-11T20:07:51.76Z","modified":"2026-10-28T02:31:05.440237645Z","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-918"],"updated_at":"2026-11-02T15:45:08.132336Z"},{"id":"GHSA-2hfg-4fh4-qp7f","title":"OpenClaw's browser act interactions could bypass private-network navigation checks","description":"### Summary\n\nOpenClaw's browser control SSRF checks blocked direct navigation to private or loopback URLs, but some Playwright `act` interactions could trigger navigation after the initial check. A later browser evaluation could then read from the page reached by that action-triggered navigation.\n\nThis issue is specific to browser control actions and private-network navigation policy. Browser evaluation remains an intentional trusted-operator feature when it is used on pages that policy allowed the browser to visit.\n\n### Affected configurations\n\nThis affects deployments where browser control is enabled and an authenticated browser-control caller can interact with an attacker-controlled page that redirects or navigates the tab to a private-network target through a UI action.\n\n### Impact\n\nIf the browser reached a private page through an unchecked action-triggered navigation, a caller with browser evaluation capability could read page content that direct navigation policy would have blocked.\n\nThe issue does not grant access to OpenClaw without authentication. It bypasses the private-network navigation guard for a specific browser action path.\n\n### Patched Versions\n\nThe first stable patched version is `2026.5.18`.\n\n### Mitigations\n\nUpgrade to `openclaw@2026.5.18` or later. Before upgrading, restrict browser-control access to trusted operators and avoid using browser control on untrusted pages in environments with sensitive private web services.","status":"published","published":"2026-07-02T16:00:03Z","modified":"2026-07-02T16:26:33.110376Z","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-284","CWE-918"],"updated_at":"2026-11-02T15:46:34.338541Z"}]}}
