Description
A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the "Impersonate-User" or "Impersonate-Group" headers. This issue affects: Rancher versions prior to 2.5.9. Rancher versions prior to 2.4.16.
Scores
CVSS v3
8.8
EPSS
0.0038
EPSS Percentile
59.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-807
Status
published
Products (2)
rancher/rancher
< 2.4.16
rancher/rancher
2.0.0 - 2.4.16Go
Published
Jul 15, 2021
Tracked Since
Feb 18, 2026