{"id":"CVE-2026-15587","aliases":["EUVD-2026-53390","GHSA-54qh-3v8w-mm9c"],"status":"published","title":"Privilege Escalation in Google SecOps (Chronicle SOAR) via Crafted Authentication Header","description":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on Google Cloud Platform allows an authenticated attacker to escalate privileges to system-level administrative access using a crafted internal authentication header.\n\n\n\n\nThis vulnerability was patched with version 6.3.85, 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":"2026-11-10","score":0.00229,"percentile":0.13837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2026-08-05T14:40:11Z","modified":"2026-10-23T21:10:00Z","products":[{"vendor":"google cloud","product":"google secops (chronicle soar)"}],"references":[{"url":"https://docs.cloud.google.com/chronicle/docs/soar/release-notes#May_23_2026"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15587"},{"url":"https://github.com/advisories/GHSA-54qh-3v8w-mm9c"}],"sources":{"cve":[{"id":"CVE-2026-15587","title":"Privilege Escalation in Google SecOps (Chronicle SOAR) via Crafted Authentication Header","description":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on Google Cloud Platform allows an authenticated attacker to escalate privileges to system-level administrative access using a crafted internal authentication header.\n\n\n\n\nThis vulnerability was patched with version 6.3.85, and no customer action is needed.","status":"published","published":"2026-08-05T14:40:11.157Z","modified":"2026-08-05T16:07:31.098Z","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-346"],"updated_at":"2026-11-02T13:47:39.876248Z"}],"euvd":[{"id":"EUVD-2026-53390","description":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on Google Cloud Platform allows an authenticated attacker to escalate privileges to system-level administrative access using a crafted internal authentication header.\n\n\n\n\nThis vulnerability was patched with version 6.3.85, and no customer action is needed.","status":"published","published":"2026-08-05T14:40:11Z","modified":"2026-08-05T16:07:31Z","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":"2026-11-02T18:02:09.87889Z"}],"ghsa":[{"id":"GHSA-54qh-3v8w-mm9c","title":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on...","description":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on Google Cloud Platform allows an authenticated attacker to escalate privileges to system-level administrative access using a crafted internal authentication header.\n\n\n\n\nThis vulnerability was patched with version 6.3.85, and no customer action is needed.","status":"published","published":"2026-08-05T18:31:35Z","modified":"2026-08-05T18:31:35Z","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-346"],"updated_at":"2026-11-02T15:10:07.328501Z"}],"nvd":[{"id":"CVE-2026-15587","description":"Improper Privilege Management in Google SecOps (Chronicle SOAR) versions prior to 6.3.85 on Google Cloud Platform allows an authenticated attacker to escalate privileges to system-level administrative access using a crafted internal authentication header.\n\n\n\n\nThis vulnerability was patched with version 6.3.85, and no customer action is needed.","status":"published","published":"2026-08-05T16:16:51.147Z","modified":"2026-10-23T21:10:00.157Z","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-346"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}