What is CVE-2026-74242?

CVE-2026-74242 is a medium-severity vulnerability in Red Hat Openshift Update Service, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-08-14.

How severe is CVE-2026-74242?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Red Hat Openshift Update Service

CVE-2026-74242

A flaw was found in Red Hat Quay. An administrator of any repository, by knowing or guessing a target notification's Universally Unique Identifier (UUID), can read the notification configuration, including sensitive details like webhook URLs, Slack tokens, and email addresses. This vulnerability also allows them to trigger test notifications for another repository. This could lead to unauthorized information disclosure and potential misuse of notification services.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-74242?: CVE-2026-74242 is a medium-severity vulnerability in Red Hat Openshift Update Service, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-08-14.
How severe is CVE-2026-74242?: Medium severity. CVSS v3 base score is 5.3 out of 10.