SAML Authentication Replay in Rancher (SUSE Rancher)

CVE-2026-44946
CRITICAL 9.5

At a glance

Source
NVD
EPSS
EPSS 0.39 % Β· percentile 33 ()
State
PUBLISHED
Published
Updated
Assigner
suse
NVD status
Analyzed

Description

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,

Weaknesses (CWE)

  • CWE-294 β€” Authentication Bypass by Capture-replay

References

Scores

VersionScoreVectorScored by
CVSS 4.0CRITICAL 9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:Hsuse
CVSS 4.0CRITICAL 9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD Β· meissner@suse.de (Secondary)
CVSS 3.1HIGH 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NNVD Β· nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
SUSE Β· Rancheraffected 2.14.0 < 2.14.3 ; affected 2.13.0 < 2.13.7 ; affected 2.12.0 < 2.12.11 ; affected 2.11.0 < 2.11.15

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD