{"id":"CVE-2026-12715","aliases":["EUVD-2026-45187","GHSA-cfq8-274p-7h5p"],"status":"published","title":"Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft","description":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.\n\n\nThis vulnerability was patched on 15 April 2026, and no customer action is needed.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00351,"percentile":0.29132,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-07-17T15:09:49Z","modified":"2026-10-24T20:10:00Z","products":[{"vendor":"google cloud","product":"firebase studio"}],"references":[{"url":"https://docs.cloud.google.com/support/bulletins#gcp-2026-043"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12715"},{"url":"https://github.com/advisories/GHSA-cfq8-274p-7h5p"}],"sources":{"cve":[{"id":"CVE-2026-12715","title":"Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft","description":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.\n\n\nThis vulnerability was patched on 15 April 2026, and no customer action is needed.","status":"published","published":"2026-07-17T15:09:49.401Z","modified":"2026-07-17T15:28:50.317Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-45187","description":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.\n\n\nThis vulnerability was patched on 15 April 2026, and no customer action is needed.","status":"published","published":"2026-07-17T15:09:49Z","modified":"2026-07-17T15:28:50Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear","level":"high"}],"updated_at":"2026-11-02T18:19:50.451546Z"}],"ghsa":[{"id":"GHSA-cfq8-274p-7h5p","title":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google...","description":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.\n\n\nThis vulnerability was patched on 15 April 2026, and no customer action is needed.","status":"published","published":"2026-07-17T18:31:24Z","modified":"2026-07-17T18:31:27Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:09:35.141236Z"}],"nvd":[{"id":"CVE-2026-12715","description":"Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.\n\n\nThis vulnerability was patched on 15 April 2026, and no customer action is needed.","status":"published","published":"2026-07-17T16:17:13.047Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:30.250437Z"}]}}