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Permalink CVE-2026-63132
9.2 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): High (H)
  • 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): 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): High (H)
  • 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, 6 hours ago Activity log
  • Created suggestion 2 days, 6 hours ago
OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack

OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, OpenBao's handleLogicalRecovery path in http/logical.go compared the highly privileged recovery token with ordinary string equality. A remote unauthenticated attacker able to make repeated recovery mode requests and measure response timing could infer the recovery token. The recovered token could then authorize recovery mode operations that read or modify OpenBao data. 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