CVE-2026-12715 json
Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft
published 2026-07-17 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-45187
- cvss
- 8.5
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
This vulnerability was patched on 15 April 2026, and no customer action is needed.
Patch / fix
- Google Cloud Firebase Studio 2026-04-15
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.5 | 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 |
| CNA | 4.0 | 8.5 | 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 |
Affected products
- Google Cloud Firebase Studio
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
Sources
- CVE List CVE-2026-12715
- NVD CVE-2026-12715
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