5

CVE-2026-44936: suse rancher Server-Side Request Forgery (SSRF)

CVSS: 5.0v3.1MediumAnalyzed
AliasesGHSA-hx4v-cxpf-vh8mGO-2026-5873
Published 06-07-2026Last modified 06-07-2026
Open JSON

Vulnerability summary

CVE-2026-44936 is a medium (CVSS 5.0) Server-Side Request Forgery (SSRF) vulnerability in suse rancher. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:21483-1

Timeline

  1. 06-07-2026
    PublishedVulnerability first disclosed.
  2. 06-07-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

0.00 pp

From 0.35% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Ghsa Hx4V Cxpf Vh8M

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Suse2 products
  • rancher≥ 0.15.0, < 0.15.2 | ≥ 0.14.0, < 0.14.6 | ≥ 0.13.0, < 0.13.11 | ≥ 0.12.0, < 0.12.15
  • rancher_fleet≥ 0.12.0, < 0.12.15 | ≥ 0.13.0, < 0.13.11 | ≥ 0.14.0, < 0.14.6 | ≥ 0.15.0, < 0.15.2
Github.com/rancher1 product
  • fleet≥ 0.14.0, < 0.14.6 | ≥ 0.13.0, < 0.13.11 | ≥ 0.12.0, < 0.12.15 | ≥ 0.15.0, < 0.15.2

2 vendors · 3 products

References

3 links