Privilege Escalation Vulnerability in Quay by Red Hat
CVE-2026-105447

5.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Quay 3
Vendor
CVE Published:
5 October 2026

What is CVE-2026-105447?

A vulnerability in Quay allows authenticated users with read-only access to exploit the build trigger API, leading to the exposure of sensitive repository write tokens. This flaw permits these users to push unauthorized container images to private repositories, effectively bypassing their access restrictions and posing significant risks to the security of the container environment.

References

https://access.redhat.com/security/cve/CVE-2026-105447
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2545916
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Shashank (CredShields) for reporting this issue.
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