CVE-2026-39946 | OpenBao up to 2.5.2 PostgreSQL Database Secrets Engine sql injection (GHSA-6vgr-cp5c-ffx3)

VDB-358390 · CVE-2026-39946 · GHSA-6VGR-CP5C-FFX3 OPENBAO UP TO 2.5.2 POSTGRESQL DATABASE SECRETS ENGINE SQL INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.5 $0-$5k 2.89+ Summaryinfo A vulnerability was found in OpenBao up to 2.5.2 and classified as critical. Affected is an unknown function of the component PostgreSQL Database Secrets Engine. Executing a manipulation can lead to sql injection. This vulnerability is registered as CVE-2026-39946. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability classified as critical was found in OpenBao up to 2.5.2. This vulnerability affects an unknown code of the component PostgreSQL Database Secrets Engine. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: OpenBao is an open source identity-based secrets management system. Prior to version 2.5.3, when OpenBao revoked privileges on a role in the PostgreSQL database secrets engine, OpenBao failed to use proper database quoting on schema names provided by PostgreSQL. This could lead to role revocation failures, or more rarely, SQL injection as the management user. This vulnerability was original from HashiCorp Vault. The vulnerability is addressed in v2.5.3. As a workaround, audit table schemas and ensure database users cannot create new schemas and grant privileges on them. The advisory is available at github.com. This vulnerability was named CVE-2026-39946 since 04/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1505 by the MITRE ATT&CK project. Upgrading to version 2.5.3 eliminates this vulnerability. Productinfo Name OpenBao Version 2.5.0 2.5.1 2.5.2 Website Product: https://github.com/openbao/openbao/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.7 VulDB Meta Temp Score: 4.5 VulDB Base Score: 4.7 VulDB Temp Score: 4.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Sql injection CWE: CWE-89 / CWE-74 / CWE-707 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: OpenBao 2.5.3 Timelineinfo 04/08/2026 CVE reserved 04/21/2026 +13 days Advisory disclosed 04/21/2026 +0 days VulDB entry created 04/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-6vgr-cp5c-ffx3 Status: Confirmed CVE: CVE-2026-39946 (🔒) GCVE (CVE): GCVE-0-2026-39946 GCVE (VulDB): GCVE-100-358390 Entryinfo Created: 04/21/2026 06:57 Changes: 04/21/2026 06:57 (67) Complete: 🔍 Cache ID: 99:692:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸