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Permalink CVE-2026-41052
9.4 CRITICAL
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): None (N)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): High (H)
  • Vulnerable System Impact Integrity (VI): High (H)
  • Vulnerable System Impact Availability (VA): High (H)
  • Subsequent System Impact Confidentiality (SC): High (H)
  • Subsequent System Impact Integrity (SI): High (H)
  • Subsequent System Impact Availability (SA): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Attack Requirement (MAT): None (N)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): High (H)
  • Modified Vulnerable System Impact Integrity (MVI): High (H)
  • Modified Vulnerable System Impact Availability (MVA): High (H)
  • Modified Subsequent System Impact Confidentiality (MSC): High (H)
  • Modified Subsequent System Impact Integrity (MSI): High (H)
  • Modified Subsequent System Impact Availability (MSA): High (H)
  • Safety (S): Not Defined (X)
  • Automatable (AU): Not Defined (X)
  • Recovery (R): Not Defined (X)
  • Value Density (V): Not Defined (X)
  • Vulnerability Response Effort (RE): Not Defined (X)
  • Provider Urgency (U): Not Defined (X)
  • Confidentiality Req. (CR): Not Defined (X)
  • Integrity Req. (IR): Not Defined (X)
  • Availability Req. (AR): Not Defined (X)
  • Exploit Maturity (E): Not Defined (X)
updated 3 weeks, 4 days ago by @LeSuisse Activity log
  • Created suggestion 3 weeks, 5 days ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    3 weeks, 5 days ago
  • @LeSuisse accepted 3 weeks, 5 days ago
  • @LeSuisse published on GitHub 3 weeks, 4 days ago
Rancher Privilege Escalation from Project Owner to Host

Improper privilege handling could be used by users with Project Owner role to escalate privileges, in Rancher versions 2.14 before 2.14.2, 2.13 before 2.13.6, and 2.12 before 2.12.10.

Affected products

Rancher
  • <2.13.6
  • <2.12.10
  • <2.14.2

Matching in nixpkgs

Ignored packages (2) 
Needs a backport to stable.
Permalink CVE-2026-41053
8.8 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 3 weeks, 4 days ago by @LeSuisse Activity log
  • Created suggestion 3 weeks, 4 days ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    3 weeks, 4 days ago
  • @LeSuisse accepted 3 weeks, 4 days ago
  • @LeSuisse published on GitHub 3 weeks, 4 days ago
Over-inclusive team membership expansion in GitHub App authentication provider for Rancher

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.

Affected products

Rancher
  • <2.14.2
  • <2.13.6

Matching in nixpkgs

Ignored packages (2) 
Needs a backport to stable
Permalink CVE-2026-44947
6.9 MEDIUM
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): Present (P)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): None (N)
  • Vulnerable System Impact Integrity (VI): High (H)
  • Vulnerable System Impact Availability (VA): None (N)
  • Subsequent System Impact Confidentiality (SC): None (N)
  • Subsequent System Impact Integrity (SI): High (H)
  • Subsequent System Impact Availability (SA): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Attack Requirement (MAT): Present (P)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): None (N)
  • Modified Vulnerable System Impact Integrity (MVI): High (H)
  • Modified Vulnerable System Impact Availability (MVA): None (N)
  • Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
  • Modified Subsequent System Impact Integrity (MSI): High (H)
  • Modified Subsequent System Impact Availability (MSA): Negligible (N)
  • Safety (S): Not Defined (X)
  • Automatable (AU): Not Defined (X)
  • Recovery (R): Not Defined (X)
  • Value Density (V): Not Defined (X)
  • Vulnerability Response Effort (RE): Not Defined (X)
  • Provider Urgency (U): Not Defined (X)
  • Confidentiality Req. (CR): Not Defined (X)
  • Integrity Req. (IR): Not Defined (X)
  • Availability Req. (AR): Not Defined (X)
  • Exploit Maturity (E): Not Defined (X)
updated 3 weeks, 4 days ago by @LeSuisse Activity log
  • Created suggestion 3 weeks, 4 days ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    3 weeks, 4 days ago
  • @LeSuisse accepted 3 weeks, 4 days ago
  • @LeSuisse published on GitHub 3 weeks, 4 days ago
Stale PSA ClusterRoleBinding Persists After RoleTemplate Downgrade in Rancher

A missing clean-up in the legacy Project Role Template Binding (PRTB) reconciler in Rancher versions 2.13.0 up to 2.13.7 and 2.14.0 up to 2.14.3 allowed users to retain unauthorized Pod Security Admission (PSA) permissions after an administrator removes those permissions from a RoleTemplate.

Affected products

Rancher
  • <2.14.3
  • <2.13.7

Matching in nixpkgs

Ignored packages (2)
Permalink CVE-2026-44946
9.5 CRITICAL
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Attack Requirement (AT): Present (P)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): High (H)
  • Vulnerable System Impact Integrity (VI): High (H)
  • Vulnerable System Impact Availability (VA): None (N)
  • Subsequent System Impact Confidentiality (SC): High (H)
  • Subsequent System Impact Integrity (SI): High (H)
  • Subsequent System Impact Availability (SA): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Attack Requirement (MAT): Present (P)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): High (H)
  • Modified Vulnerable System Impact Integrity (MVI): High (H)
  • Modified Vulnerable System Impact Availability (MVA): None (N)
  • Modified Subsequent System Impact Confidentiality (MSC): High (H)
  • Modified Subsequent System Impact Integrity (MSI): High (H)
  • Modified Subsequent System Impact Availability (MSA): High (H)
  • Safety (S): Not Defined (X)
  • Automatable (AU): Not Defined (X)
  • Recovery (R): Not Defined (X)
  • Value Density (V): Not Defined (X)
  • Vulnerability Response Effort (RE): Not Defined (X)
  • Provider Urgency (U): Not Defined (X)
  • Confidentiality Req. (CR): Not Defined (X)
  • Integrity Req. (IR): Not Defined (X)
  • Availability Req. (AR): Not Defined (X)
  • Exploit Maturity (E): Not Defined (X)
updated 3 weeks, 4 days ago by @LeSuisse Activity log
  • Created suggestion 3 weeks, 4 days ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    3 weeks, 4 days ago
  • @LeSuisse accepted 3 weeks, 4 days ago
  • @LeSuisse published on GitHub 3 weeks, 4 days ago
SAML Authentication Replay in Rancher

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,

Affected products

Rancher
  • <2.14.3
  • <2.12.11
  • <2.13.7
  • <2.11.15

Matching in nixpkgs

Ignored packages (2)
Permalink CVE-2026-25705
8.4 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 2 months, 1 week ago by @LeSuisse Activity log
  • Created suggestion 2 months, 1 week ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    2 months, 1 week ago
  • @LeSuisse accepted 2 months, 1 week ago
  • @LeSuisse published on GitHub 2 months, 1 week ago
Rancher Extensions have arbitrary file access via path traversal

A vulnerability has been identified in [Rancher's Extensions](https://ranchermanager.docs.rancher.com/integrations-in-rancher/rancher-extensions) where malicious code can be injected in Rancher through a path traversal in the `compressedEndpoint` field inside a `UIPlugin` deployment. A malicious UI extension could abuse that to: * Overwrite Rancher binaries or configuration to inject code. * Write to /var/lib/rancher/ to tamper with cluster state. * If hostPath volumes are mounted, write to the host node filesystem. * Use this issue to chain with other attack vectors.

Affected products

github.com/rancher/rancher
  • <2.14.1
  • <2.11.13
  • <2.12.9
  • <2.13.5

Matching in nixpkgs

pkgs.rancher

CLI tool for interacting with your Rancher Server

Ignored packages (2)
Permalink CVE-2025-67601
8.3 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 4 months, 4 weeks ago by @LeSuisse Activity log
  • Created suggestion 4 months, 4 weeks ago
  • @LeSuisse ignored
    2 packages
    • terraform-providers.rancher2
    • terraform-providers.rancher_rancher2
    4 months, 4 weeks ago
  • @LeSuisse accepted 4 months, 4 weeks ago
  • @LeSuisse published on GitHub 4 months, 4 weeks ago
Rancher CLI skips TLS verification on Rancher CLI login command

A vulnerability has been identified within Rancher Manager, where using self-signed CA certificates and passing the -skip-verify flag to the Rancher CLI login command without also passing the –cacert flag results in the CLI attempting to fetch CA certificates stored in Rancher’s setting cacerts.

Affected products

github.com/rancher/rancher
  • <2.12.6
  • <0.0.0-20260129092249-bb0625fd1896
  • <2.11.10
  • <2.10.11
  • <2.13.2

Matching in nixpkgs

pkgs.rancher

CLI tool for interacting with your Rancher Server

Ignored packages (2) 
Upstream advisory: https://github.com/rancher/rancher/security/advisories/GHSA-mc24-7m59-4q5p