CVE-2024-22031 Rancher - Broken Access Control

Rancher contains a broken access control vulnerability caused by allowing project creation with duplicate names across clusters, letting users escalate privileges by accessing projects in different clusters, exploit requires project creation ability.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.71% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
15 October 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to the latest Rancher version with fixes for project namespace isolation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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