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Fencer Vulns
high 8.2

CVE-2024-58259 json

Rancher affected by unauthenticated Denial of Service

published 2025-08-29 14 mo ago modified 2026-06-17 4 mo ago also GHSA-4h45-jpvh-6p5j , GO-2025-3923 , EUVD-2024-54940

cvss
8.2
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 44%
public exploits
0
none known

Summary

A vulnerability has been identified within Rancher Manager in which it did not enforce request body size limits on certain public (unauthenticated) and authenticated API endpoints. This allows a malicious user to exploit this by sending excessively large payloads, which are fully loaded into memory during processing, leading to Denial of Service (DoS).

Patch / fix

  • go github.com/rancher/rancher 0.0.0-20250813072957-aee95d4e2a41, 2.9.11, 2.10.9, 2.11.5, 2.12.1
  • SUSE rancher 0.0.0-20250813072957-aee95d4e2a41, 2.9.11, 2.10.9, 2.11.5, 2.12.1
  • govulncheck-vulndb SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 0.0.20250918T182144-150000.1.107.1

suse advisories SUSE-SU-2025:03289-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250908T141310-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:15538-1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
GitHub 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected packages

ecosystem package affected fixed in
go github.com/rancher/rancher
>=2.12.0, <2.12.1
>=2.11.0, <2.11.5
>=2.10.0, <2.10.9
>=2.9.0, <2.9.11
<0.0.0-20250813072957-aee95d4e2a41
2.12.1
2.11.5
2.10.9
2.9.11
0.0.0-20250813072957-aee95d4e2a41

Affected products

  • SUSE rancher

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

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.