CVE-2026-44946

HIGH

SAML Authentication Replay in Rancher

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-44946. PoCs published by HermesNA-1.

AI-analyzed exploit summary This repository contains an auto-generated stub module for CVE-2026-44946, a SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler. The code includes placeholder methods (`check` and `run`) but lacks actual exploit implementation for replaying SAML assertions.

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,

Exploits (1)

github STUB 1 stars
by HermesNA-1 · pythonpoc
https://github.com/HermesNA-1/SnakeSploit/tree/main/data/modules_generated/cve-2026-44946_saml_authentication_replay.py

This repository contains an auto-generated stub module for CVE-2026-44946, a SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler. The code includes placeholder methods (`check` and `run`) but lacks actual exploit implementation for replaying SAML assertions.

Classification
Stub 99%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Theoretical
Target: Rancher (unspecified version)
No auth needed
Prerequisites: Network access to Rancher's ACS endpoint · Intercepted SAML assertion (person-in-the-middle position)
mistral-large-3 · analyzed Jul 09, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.4
EPSS 0.0029
EPSS Percentile 21.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-294
Status published
Products (5)
SUSE/Rancher 2.11.0 - 2.11.15
suse/rancher 2.11.0 - 2.11.15
SUSE/Rancher 2.12.0 - 2.12.11
SUSE/Rancher 2.13.0 - 2.13.7
SUSE/Rancher 2.14.0 - 2.14.3
Published Jun 30, 2026
Tracked Since Jun 30, 2026