Open Redirect in Red Hat Mirror Registry For Openshift

CVE-2025-7777

The mirror-registry doesn't properly sanitize the host header HTTP header in HTTP request received, allowing an attacker to perform malicious redirects to attacker-controlled domains or phishing campaigns.

Vulnerability class: Open Redirect

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-7777: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-7777?
CVE-2025-7777 is a medium-severity vulnerability in Red Hat Mirror Registry For Openshift, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.5/10. Published 2025-08-20.
How severe is CVE-2025-7777?
Medium severity. CVSS v3 base score is 6.5 out of 10.