CVE-2026-74242 Quay: repository notification uuid idor in quay api
Administrators can access other repositories' notification configurations and trigger tests by guessing UUIDs, exposing sensitive webhook and token data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-74242?
CVE-2026-74242 is a medium-severity missing authorization vulnerability in Red Hat OpenShift Update Service, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-74242?
It affects 2 products.
Products include Redhat Openshift Update Service, Redhat Quay.
How do I fix CVE-2026-74242?
No fix has been published for CVE-2026-74242 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-74242 being exploited?
There is no known exploitation of CVE-2026-74242 in the wild and no public exploit code.
Other vulnerabilities in Red Hat OpenShift Update Service
- CVE-2026-74243 Quay: unauthenticated secscan notification endpoint in quay when psk is unset
- CVE-2025-57854 Osus-operator: privilege escalation via excessive /etc/passwd permissions
- CVE-2026-74244 Quay: stripe webhook accepts forged events without signature verification in quay
- CVE-2026-74245 Quay: unauthenticated exported logs download in quay
- CVE-2026-74240 Quay: jwt claim validation bypasses in quay federated robot and sso authentication
Sources
Also known as GHSA-9hvx-vhh3-2359.