How severe is CVE-2026-8934?

CVE-2026-8934 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2026-8934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8934 have an EU (EUVD) identifier?

Yes. CVE-2026-8934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38262.

When was CVE-2026-8934 published?

CVE-2026-8934 was published on 2026-06-22.

CVE-2026-8934

CVE-2026-8934 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38262
Weakness: CWE-862
Published: 2026-06-22
Last modified: 2026-06-22

Description

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.

Frequently asked questions

What is CVE-2026-8934?: 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.
How severe is CVE-2026-8934?: CVE-2026-8934 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2026-8934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8934 have an EU (EUVD) identifier?: Yes. CVE-2026-8934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38262.
When was CVE-2026-8934 published?: CVE-2026-8934 was published on 2026-06-22.

References

https://docs.cloud.google.com/support/bulletins#gcp-2026-038

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