CVE-2026-16910
🔶 mediumSummary
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.
CVSS Score
5.5
Medium
EPSS Score
0.2
Exploit Probability
Published Date
2026-07-24
First Seen: 2026-07-31
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 32.1% of all 340,620 vulnerabilities in our database.
#231,164
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 24, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Red Hat would like to thank Martin Brodeur for reporting this issue.
SSVC data provided by
CISA
Last Modified
2026-07-24
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE IDs (Weakness Types)