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High severity · published Jul 17, 2026
CVE-2026-12715
Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft
8.5
CVSS
0.4%
EPSS
No
On KEV
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. This vulnerability was patched on 15 April 2026, and no customer action is needed.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FS
Firebase Studio · Google Cloud
before 2026-04-15 · source: vendor
Affected product
FS
Firebase Studio
Google Cloud
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12715
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12715
docs.cloud.google.com
https://docs.cloud.google.com/support/bulletins#gcp-2026-043