CVE-2026-63132

Description

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.

Overview

State: PUBLISHED
Assigner (CNA): GitHub_M
CVSS severity: CRITICAL
CVSS score: 9.2 / 10
CVSS vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Effective score: 9.2 / 10 CRITICAL source: CNA overview
CWE(s): CWE-208
Reserved: 2026-07-15
Published: 2026-09-23 17:59 UTC
Last updated: 2026-09-23 19:16 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/63xxx/CVE-2026-63132.json
Linked Threat: CVE-2026-63132 — OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-23 19:17:34 UTC
NVD last modified: 2026-09-23 20:17:12 UTC

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-85520
Assigner: GitHub_M
Published: Sep 23, 2026, 5:59:19 PM
Updated: Sep 23, 2026, 7:16:11 PM
EUVD base score (CVSS 4.0): 9.2 / 10
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EUVD-reported EPSS: 0.0000
Vendors: openbao
Products: openbao (< 2.6.0)
Aliases: GHSA-34fc-gh42-pj53

ENISA description: 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.

EUVD references (7)

Affected products (1)

Vendor	Product	Versions	Platforms
openbao	openbao	`< 2.6.0` (affected)	—

Vendor references (7)

References embedded in the original CVE record by the assigning CNA.

https://github.com/openbao/openbao/security/advisories/GHSA-34fc-gh42-pj53 x_refsource_CONFIRM
https://github.com/openbao/openbao/pull/3388 x_refsource_MISC
https://github.com/openbao/openbao/pull/3472 x_refsource_MISC
https://github.com/openbao/openbao/commit/0f2d90c331f25d1c6cd108638da03f4c7bd949a8 x_refsource_MISC
https://github.com/openbao/openbao/commit/763625a2072103ea9e9122f2a8408e0b988d287a x_refsource_MISC
https://github.com/hashicorp/vault/blob/main/CHANGELOG.md#203 x_refsource_MISC
https://github.com/openbao/openbao/releases/tag/v2.6.0 x_refsource_MISC

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (7)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/hashicorp/vault/blob/main/CHANGELOG.md#203 security-advisories@github.com
https://github.com/openbao/openbao/commit/0f2d90c331f25d1c6cd108638da03f4c7bd949a8 security-advisories@github.com
https://github.com/openbao/openbao/commit/763625a2072103ea9e9122f2a8408e0b988d287a security-advisories@github.com
https://github.com/openbao/openbao/pull/3388 security-advisories@github.com
https://github.com/openbao/openbao/pull/3472 security-advisories@github.com
https://github.com/openbao/openbao/releases/tag/v2.6.0 security-advisories@github.com
https://github.com/openbao/openbao/security/advisories/GHSA-34fc-gh42-pj53 security-advisories@github.com

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2026-63132 - Vulnerability Details - OpenCVE

web:app.opencve.io

Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Upgrade OpenBao to version 2.6.0 or later. Restrict or disable the handleLogicalRecovery endpoint when not performing legitimate recovery tasks, ensuring that all authentication checks use constant‑time comparison to mitigate CWE-208.

2026-09-24 11:21 UTC
CVE-2026-63132 - Exploits & Severity - Feedly

web:feedly.com

Mitigation Upgrade to OpenBao v2.6.0 or later. Limit access to recovery mode and monitor for unusual token validation attempts that may indicate timing-based attacks.

2026-09-24 11:21 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-24 11:21 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-24 11:21 UTC
July 18, 2026—Hotpatch KB5121768 (OS Builds 26200.8893 and 26100.8893 ...

web:support.microsoft.com

This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121768) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix . Improvements This OOB update includes the following improvement: [System Performance] This update addresses an issue affecting a limited number of devices with an Intel ...

2026-09-24 11:21 UTC
SAP Security Patch Day - June 2026

web:support.sap.com

SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.

2026-09-24 11:21 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-24 11:21 UTC
Oracle Critical Security Patch Update Advisory - June 2026

web:www.oracle.com

Additional CVEs addressed are: The patch for CVE - 2026 -34481 also addresses CVE - 2026 -34477, CVE - 2026 -34478, CVE - 2026 -34479, and CVE - 2026 -34480. Oracle Fusion Middleware Risk Matrix This Critical Security Patch Update contains 106 new security patches for Oracle Fusion Middleware. 53 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a ...

2026-09-24 11:21 UTC
CVE-2026-63132: openbao: OpenBao is an open source identity ... - Rapid7

web:www.rapid7.com

CVE-2026-63132 : openbao: OpenBao is an open source identity-based secrets management system. View severity, references, and remediation details from Rapid7.

2026-09-24 11:21 UTC
CVE-2026-63132 | Tenable®

web:www.tenable.com

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 ...

2026-09-24 11:21 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-63132.json.

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