{"id":"CVE-2026-3136","aliases":["EUVD-2026-9302","GHSA-p8rp-xfq6-8f8m"],"status":"published","title":"Google Cloud Build Comment Control Bypass","description":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.0039,"percentile":0.33411,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-03-03T16:22:54Z","modified":"2026-06-17T10:43:06Z","products":[{"vendor":"google","product":"cloud_build"},{"vendor":"google cloud","product":"cloud build"}],"references":[{"url":"https://docs.cloud.google.com/build/docs/release-notes#March_03_2026","tags":["Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3136"},{"url":"https://github.com/advisories/GHSA-p8rp-xfq6-8f8m"}],"sources":{"cve":[{"id":"CVE-2026-3136","title":"Google Cloud Build Comment Control Bypass","description":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed.","status":"published","published":"2026-03-03T16:22:54.502Z","modified":"2026-03-04T04:55:36.155Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-9302","description":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed.","status":"published","published":"2026-03-03T16:22:54Z","modified":"2026-03-04T04:55:36Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Clear","level":"high"}],"updated_at":"2026-11-02T19:48:11.637968Z"}],"ghsa":[{"id":"GHSA-p8rp-xfq6-8f8m","title":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build...","description":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed.","status":"published","published":"2026-03-03T18:31:33Z","modified":"2026-03-06T00:32:32Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:06:28.65977Z"}],"nvd":[{"id":"CVE-2026-3136","description":"An improper authorization vulnerability in GitHub Trigger Comment Control in Google Cloud Build prior to 2026-1-26 allows a remote attacker to execute arbitrary code in the build environment.\n\nThis vulnerability was patched on 26 January 2026, and no customer action is needed.","status":"published","published":"2026-03-03T17:16:19.16Z","modified":"2026-06-17T10:43:06.17Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:07.420927Z"}]}}