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Permalink CVE-2026-63131
6.0 MEDIUM
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): Present (P)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): High (H)
  • Vulnerable System Impact Integrity (VI): None (N)
  • Vulnerable System Impact Availability (VA): None (N)
  • Subsequent System Impact Confidentiality (SC): None (N)
  • Subsequent System Impact Integrity (SI): None (N)
  • 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): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): High (H)
  • Modified Vulnerable System Impact Integrity (MVI): None (N)
  • Modified Vulnerable System Impact Availability (MVA): None (N)
  • Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
  • Modified Subsequent System Impact Integrity (MSI): Negligible (N)
  • 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)
created 2 days, 13 hours ago Activity log
  • Created suggestion 2 days, 13 hours ago
OpenBao LIST ACL bypass: a trailing-slash LIST request skips a more-specific deny rule (unported Vault v2.0.3 fix)

OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, OpenBao's vault/policy/acl.go could evaluate a broader wildcard ACL grant before more-specific trailing-wildcard ACL paths with capabilities = ["deny"] for a LIST operation. When a parent path permitted LIST and a child path was denied, the trailing-slash lookup could therefore allow listing the denied path. Other operation types are outside the repository advisory's affected scope. This issue is fixed in version 2.6.0.

Affected products

openbao
  • ==< 2.6.0

Matching in nixpkgs

pkgs.openbao

Open source, community-driven fork of Vault managed by the Linux Foundation

  • nixos-unstable -
    • nixos-unstable-small 2.7.0
  • nixos-26.05 -
    • nixos-26.05-small 2.6.2

pkgs.openbaoPlugins.auth-gcp

OpenBao auth plugin to authenticate using Google Cloud Platform credentials

  • nixos-unstable -

pkgs.openbaoPlugins.secrets-aws

OpenBao secrets plugin to generate AWS access credentials based on IAM policies

  • nixos-unstable -
    • nixos-unstable-small 0.3.1

pkgs.openbaoPlugins.secrets-gcp

OpenBao secrets plugin to generate GCP service account keys and OAuth tokens based on IAM policies

  • nixos-unstable -

pkgs.openbaoPlugins.secrets-azure

OpenBao secrets plugin to generate Azure service principals with role and group assignments

  • nixos-unstable -

Package maintainers