CVE-2026-41053 (GCVE-0-2026-41053)

Vulnerability from cvelistv5 – Published: 2026-06-30 11:38 – Updated: 2026-07-01 03:55
VLAI
Title
Over-inclusive team membership expansion in GitHub App authentication provider for Rancher
Summary
Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-303 - Incorrect implementation of authentication algorithm
Assigner
References
Impacted products
Vendor Product Version
SUSE Rancher Affected: 2.14.0 , < 2.14.2 (semver)
Affected: 2.13.0 , < 2.13.6 (semver)
Create a notification for this product.
Date Public
2026-05-28 11:31
Show details on NVD website
To clipboard 

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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

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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.