{"id":"CVE-2026-81867","aliases":["EUVD-2026-88212","GHSA-33v3-56q5-h52m"],"status":"published","title":"Deserialization of Untrusted Data in Application Integration allows Remote Code Execution","description":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.\n\n\nThis vulnerability was patched on 28 June 2026, and no customer action is needed.","severity":{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00355,"percentile":0.29617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-09-28T10:49:16Z","modified":"2026-09-30T14:17:30Z","products":[{"vendor":"google cloud","product":"application integration"}],"references":[{"url":"https://docs.cloud.google.com/support/bulletins#gcp-2026-065"},{"url":"https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-065"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81867"},{"url":"https://github.com/advisories/GHSA-33v3-56q5-h52m"}],"sources":{"cve":[{"id":"CVE-2026-81867","title":"Deserialization of Untrusted Data in Application Integration allows Remote Code Execution","description":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.\n\n\nThis vulnerability was patched on 28 June 2026, and no customer action is needed.","status":"published","published":"2026-09-28T10:49:16.416Z","modified":"2026-09-30T13:15:05.236Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-88212","description":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.\n\n\nThis vulnerability was patched on 28 June 2026, and no customer action is needed.","status":"published","published":"2026-09-28T10:49:16Z","modified":"2026-09-30T13:15:05Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear","level":"critical"}],"updated_at":"2026-11-02T17:27:50.183381Z"}],"ghsa":[{"id":"GHSA-33v3-56q5-h52m","title":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud...","description":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.\n\n\nThis vulnerability was patched on 28 June 2026, and no customer action is needed.","status":"published","published":"2026-09-28T12:31:05Z","modified":"2026-09-28T12:31:13Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:Clear","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:12:32.013867Z"}],"nvd":[{"id":"CVE-2026-81867","description":"A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.\n\n\nThis vulnerability was patched on 28 June 2026, and no customer action is needed.","status":"published","published":"2026-09-28T11:16:48.07Z","modified":"2026-09-30T14:17:30.92Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:Clear","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}