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Libpgjava: pgjdbc is an open source postgresql JDBC Driver. (CVE-2026-54291)

0
Medium
VulnerabilityCVE-2026-54291gcveosvghsa-j92g-9f8w-j867cve-2026-54291ghsamavencleanstart-2026-de16547alpineubuntu-cve-2026-54291ubuntu-14-04-ltsubuntu-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-25-10ubuntu-26-10ubuntu-26-04-lts
Published: 07/06/2026 (07/06/2026, 19:17:00 UTC)
Source: GCVE Database
Product: libpgjava

Description

CVE-2026-54291 is a medium severity vulnerability affecting libpgjava, the PostgreSQL JDBC driver, specifically versions from 42.7.4 up to but not including 42.7.12, and certain other specified versions. The issue relates to weaknesses identified by CWE-636 and CWE-757. Thingsboard version 4.3.1.3-r2 includes a patch addressing this and three other vulnerabilities. No known exploits have been reported in the wild.

CVSS v3.1

Score 5.9medium

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

Mavenghsa
org.postgresql:postgresql
Affected versions
>=42.7.4 <42.7.12
Ubuntu:14.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=trusty
Affected versions
=9.2-1002-1
Ubuntu:16.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=xenial
Affected versions
=9.2-1002-1
Ubuntu:Pro:18.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=esm-apps/bionic
Affected versions
=9.4.1212-1=9.4.1212-1ubuntu0.1~esm1
Ubuntu:Pro:20.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=esm-apps/focal
Affected versions
=42.2.6-1=42.2.8-1=42.2.9-1=42.2.10-1=42.2.10-1ubuntu0.1~esm1
Ubuntu:22.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=jammy
Affected versions
=42.2.23-1=42.2.24-1=42.3.1-1=42.3.2-1=42.3.3-1
Ubuntu:24.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=noble
Affected versions
=42.5.4-1=42.6.0-2=42.7.0-1=42.7.1-1=42.7.2-1
Ubuntu:25.10more threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=questing
Affected versions
=42.7.5-1=42.7.5-2=42.7.7-1
Ubuntu:26.10more threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=stonking
Affected versions
=42.7.10-1=42.7.11-1=42.7.12-1=42.7.13-1
Ubuntu:26.04:LTSmore threats →ghsa
libpgjava
pkg:deb/ubuntu/libpgjava?arch=source&distro=resolute
Affected versions
=42.7.7-1=42.7.8-1=42.7.8-2=42.7.9-1=42.7.10-1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/18/2026, 04:57:47 UTC

Technical Analysis

The vulnerability CVE-2026-54291 affects libpgjava (pgjdbc), an open source PostgreSQL JDBC driver. It impacts versions >=42.7.4 and <42.7.12, as well as several other specific versions listed. The underlying issues correspond to CWE-636 (Use of Externally-Controlled Reference to a Resource in a Security Decision) and CWE-757 (Use of a Possibly Dangerous Function). Thingsboard version 4.3.1.3-r2 includes fixes for this and related vulnerabilities. The CVSS v3.1 base score is 5.9, indicating medium severity, with network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact.

Potential Impact

Successful exploitation could lead to integrity violations without impacting confidentiality or availability. The medium severity score reflects that the vulnerability requires high attack complexity and no privileges or user interaction, limiting exploitability. No active exploitation in the wild has been reported.

Mitigation Recommendations

A patch is available in Thingsboard version 4.3.1.3-r2 that addresses CVE-2026-54291 along with other vulnerabilities. Users should upgrade to this version or later to remediate the issue. Since this is not a cloud service, remediation depends on applying the official fix. No additional mitigation steps are indicated by the vendor advisory.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-j92g-9f8w-j867
Osv Schema Version
1.4.0
Aliases
["CVE-2026-54291"]
Ecosystems
["Maven"]
Database Specific Severity
HIGH
Cvss Version
4.0

Threat ID: 6a5fcf4e1010f89cc2153516

Added to database: 07/21/2026, 19:58:06 UTC

Last enriched: 10/18/2026, 04:57:47 UTC

Last updated: 10/19/2026, 06:48:18 UTC

Views: 141

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