CVE-2026-10052 Quay/config-tool: quay/config-tool: ssrf via unfiltered ldap and smtp config validation endpoints
An attacker with config editor access can exploit unfiltered LDAP and SMTP validation endpoints to perform internal network reconnaissance via SSRF.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10052?
CVE-2026-10052 is a medium-severity server-side request forgery vulnerability in Red Hat Quay 3, published on 29 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A flaw was found in the Quay config-tool's LDAP and SMTP validation functions. An attacker with config editor access can exploit these functions, which make outbound connections to user-supplied endpoints without proper IP or host filtering. This allows the attacker to perform internal network reconnaissance from the Quay pod's network position, potentially mapping the internal network infrastructure.
Weakness: CWE-918
Which versions are affected by CVE-2026-10052?
How do I fix CVE-2026-10052?
No fix has been published for CVE-2026-10052 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-10052 being exploited?
There is no known exploitation of CVE-2026-10052 in the wild and no public exploit code.
Sources
Also known as GHSA-h9q8-x6vm-q57f.