# CVE-2026-12715: Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft

> CVE-2026-12715: Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft. CVSS 8.5 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-12715
Last updated: 2026-10-24T20:10:00Z

- Published: 2026-07-17 15:09 UTC · Updated: 2026-10-24 20:10 UTC · Assigner: GoogleCloud
- CVSS: 8.5 (CVSS 4.0) · Severity: High
- EPSS: 0.35%, 28th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-862

## 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.

## Affected vendors and products

- Google Cloud: Firebase Studio

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-12715)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-12715)
- [https://docs.cloud.google.com/support/bulletins\#gcp-2026-043](https://docs.cloud.google.com/support/bulletins#gcp-2026-043)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-12715 · Markdown: https://rewindex.com/cve/CVE-2026-12715.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-12715 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:05:25.769Z