Medium severity · published Aug 14, 2026
CVE-2026-74242
Quay: repository notification uuid idor in quay api
4.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat OpenShift Update Service · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Quay 3 · Red Hat
All versions, or not specified · source: vendor
OU
Openshift Update Service · Redhat
All versions, or not specified · source: NVD
QU
Quay · Redhat
3.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-74242
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-74242
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-74242
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2516140
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