CVE-2026-44946 (GCVE-0-2026-44946)

Vulnerability from cvelistv5 – Published: 2026-06-30 12:14 – Updated: 2026-07-01 03:55
VLAI
Title
SAML Authentication Replay in Rancher
Summary
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,
Severity
9.5 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-294 - Authentication bypass by capture-replay
Assigner
References
Impacted products
Vendor Product Version
SUSE Rancher Affected: 2.14.0 , < 2.14.3 (semver)
Affected: 2.13.0 , < 2.13.7 (semver)
Affected: 2.12.0 , < 2.12.11 (semver)
Affected: 2.11.0 , < 2.11.15 (semver)
Create a notification for this product.
Date Public
2026-06-29 12:07
Credits
Corban Villa corban.villa@berkeley.edu of a U.C. Berkeley security research project by: Austin Chu, Sohee Kim, and Corban Villa
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.