Skip to content
Fencer Vulns
high 8.4

CVE-2025-23389 json

Rancher does not Properly Validate Account Bindings in SAML Authentication Enables User Impersonation on First Login

published 2025-02-27 20 mo ago modified 2026-09-10 1 mo ago also GHSA-mq23-vvg7-xfm4 , GO-2025-3490 , EUVD-2025-6275

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

A Improper Access Control vulnerability in SUSE rancher allows a local user to impersonate other identities through SAML Authentication on first login. This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.

Patch / fix

  • go github.com/rancher/rancher 2.8.13, 2.9.7, 2.10.3
  • SUSE rancher 2.8.13, 2.9.7, 2.10.3
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250312T181707-1.1

opensuse advisories openSUSE-SU-2025:14889-1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
GitHub 3.1 8.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

Affected packages

ecosystem package affected fixed in
go github.com/rancher/rancher
>=2.8.0, <2.8.13
>=2.9.0, <2.9.7
>=2.10.0, <2.10.3
all versions
2.8.13
2.9.7
2.10.3

Affected products

  • SUSE rancher

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.