CVE-2026-8934CWE-862

Cross-Project Information Leakage in Google App Engine UI

Medium · published June 22, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
42.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
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
EPSS
0.00510 · 42.6th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-22T15:20Z
EPSS history
Timeline
  • 22 JUN 15:20Z
    Cross-Project Information Leakage in Google App Engine UI
    cvelistv5