CVE-2026-16910
MEDIUMQuay: ssrf in red hat quay notification webhooks (slack/generic)
Title source: cnaDescription
A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.
References (2)
Core 2
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-16910
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2506685
https://bugzilla.redhat.com/show_bug.cgi?id=2506685
Scores
CVSS v3
5.5
EPSS
0.0021
EPSS Percentile
11.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-918
Status
published
Products (2)
Red Hat/Red Hat OpenShift Update Service
Red Hat/Red Hat Quay 3
Published
Jul 24, 2026
Tracked Since
Jul 24, 2026