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TI-2026-32811 Aliases CVE-2026-44945

Cross-Cluster Impersonation Confused-Deputy Privilege Escalation

Priority MEDIUM 42CWE-441Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-497.

Summary

A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it manages. This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0056 46th percentileScored 2026-11-07
Fix Fixed Rancher (SUSE): 2.11.16, 2.12.12, 2.13.8 +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
SUSERancher2.11.0 to before 2.11.16; 2.12.0 to before 2.12.12; 2.13.0 to before 2.13.8; 2.14.0 to before 2.14.22.11.16, 2.12.12, 2.13.8, 2.14.2Patch availableCNA
  • Rancher VendorSUSE Affected 2.11.0 to before 2.11.16; 2.12.0 to before 2.12.12; 2.13.0 to before 2.13.8; 2.14.0 to before 2.14.2 Fixed in 2.11.16, 2.12.12, 2.13.8, 2.14.2 Patch available CNA

Remediation

  • Fix · CNA Rancher (SUSE) Fixed in 2.11.16, 2.12.12, 2.13.8, 2.14.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-44945

References

Patch 1

Advisory 1

Other 1

  • TI-2016-03560 Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-03506 Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-02888 Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04302 Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04301 Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04298 Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
See all 1331 →

Sources

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