CVE-2026-8934
Cross-Project Information Leakage in Google App Engine UI
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.
This vulnerability was patched on 7 April 2026, and no customer action is needed.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross-Project Information Leakage in Google App Engine UI
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.
This vulnerability was patched on 7 April 2026, and no customer action is needed.
- Record
CVE-2026-8934- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Clear - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-38262
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.
This vulnerability was patched on 7 April 2026, and no customer action is needed.
- Record
EUVD-2026-38262- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Clear - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5xr4-qrm5-m2w8
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine...
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.
This vulnerability was patched on 7 April 2026, and no customer action is needed.
- Record
GHSA-5xr4-qrm5-m2w8- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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 - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.
This vulnerability was patched on 7 April 2026, and no customer action is needed.
- Record
CVE-2026-8934- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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 - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-8934 is a medium vulnerability (CVSS 6.9) in Google Cloud Cloud Console Uis, published June 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.