What is CVE-2026-44936?

CVE-2026-44936 is a medium-severity vulnerability in SUSE Rancher, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-07-06.

How severe is CVE-2026-44936?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in SUSE Rancher

CVE-2026-44936

Missing filtering when the helmRepoURLRegex field isn't set on a GitRepo resource in SUSE Rancher Fleet's bundle reader in 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 forwards Helm authentication credentials (BasicAuth) to any URL specified in the helm.repo field of a fleet.yaml file, allowing attackers able to push to fleet monitored git repos to leak helm access credentials.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (26.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Suse Rancher — versions 0.15.0, 0.14.0, 0.13.0
Suse Rancher_fleet

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

meissner@suse.de (Exploit, vendor-advisory, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2026-44936?: CVE-2026-44936 is a medium-severity vulnerability in SUSE Rancher, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-07-06.
How severe is CVE-2026-44936?: Medium severity. CVSS v3 base score is 5.0 out of 10.