What is CVE-2026-44937?

CVE-2026-44937 is a high-severity vulnerability in SUSE Rancher, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-07-06.

How severe is CVE-2026-44937?

High severity. CVSS v3 base score is 8.2 out of 10.

SSRF in SUSE Rancher

CVE-2026-44937

Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the system.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.004 (31.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

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 (vendor-advisory, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44937?: CVE-2026-44937 is a high-severity vulnerability in SUSE Rancher, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-07-06.
How severe is CVE-2026-44937?: High severity. CVSS v3 base score is 8.2 out of 10.