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TI-2026-32812 Aliases CVE-2026-44946

SAML Authentication Replay in Rancher

Priority MEDIUM 43CWE-294Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-294.

Summary

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00387 33rd percentileScored 2026-11-07
Fix Fixed Rancher (SUSE): 2.14.3, 2.13.7, 2.12.11 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SUSERancher2.14.0 to before 2.14.3; 2.13.0 to before 2.13.7; 2.12.0 to before 2.12.11; 2.11.0 to before 2.11.152.14.3, 2.13.7, 2.12.11, 2.11.15Patch availableCNA
  • Rancher VendorSUSE Affected 2.14.0 to before 2.14.3; 2.13.0 to before 2.13.7; 2.12.0 to before 2.12.11; 2.11.0 to before 2.11.15 Fixed in 2.14.3, 2.13.7, 2.12.11, 2.11.15 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*2.11.0 to before 2.11.15; 2.12.0 to before 2.12.11; 2.13.0 to before 2.13.7; 2.14.0 to before 2.14.3VulnerableSUSE
  • cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:* Versions 2.11.0 to before 2.11.15; 2.12.0 to before 2.12.11; 2.13.0 to before 2.13.7; 2.14.0 to before 2.14.3 Vulnerable ·SUSE

Remediation

  • Fix · CNA Rancher (SUSE) Fixed in 2.14.3, 2.13.7, 2.12.11, 2.11.15

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-44946

References

Advisory 1

  • TI-2021-14903 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object CVSS 3.1CRITICAL 9.9
  • TI-2022-21489 Rancher: Non-random authentication token CVSS 3.1CRITICAL 9.8
  • TI-2019-08380 An issue was discovered that affects the following versions of Rancher: v2.0.0 through… CVSS 3.0CRITICAL 9.8
  • TI-2023-08827 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2023-08823 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2022-21491 Rancher: Exposure of sensitive fields CVSS 3.1CRITICAL 9.9
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences