8.4

CVE-2025-23389: suse rancher Improper Access Control

CVSS: 8.4v3.1HighDeferred
AliasesGHSA-mq23-vvg7-xfm4GO-2025-3490CGA-2f4v-xfm6-rwfv
Published 11-04-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-23389 is a high (CVSS 8.4) Improper Access Control vulnerability in suse rancher. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 39.7% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
OPENSUSE-SU-2025:14889-1CGA-VMFX-V5HC-3728

Timeline

  1. 11-04-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.01 pp

From 0.47% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard4 products
  • harvester< 1.8.1-r1
  • harvester-fips< 1.8.1-r0
  • harvester-fips-webhook< 1.8.1-r0
  • harvester-webhook< 1.8.1-r1
Github.com/rancher1 product
  • rancher≥ 2.8.0, < 2.8.13 | ≥ 2.9.0, < 2.9.7 | ≥ 2.10.0, < 2.10.3 | All versions (No fix recorded)
Suse1 product
  • rancher≥ 2.8.0, < 2.8.13 | ≥ 2.9.0, < 2.9.7 | ≥ 2.10.0, < 2.10.3

3 vendors · 6 products

References

15 links
Show all 15 references