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pgAdmin has vulnerability in LDAP authentication mechanism that allows bypassing TLS certificate verification

High severity GitHub Reviewed Published Nov 13, 2025 to the GitHub Advisory Database • Updated Nov 13, 2025

Package

pip pgadmin4 (pip)

Affected versions

<= 9.9

Patched versions

9.10

Description

pgAdmin <= 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification.

References

Published by the National Vulnerability Database Nov 13, 2025
Published to the GitHub Advisory Database Nov 13, 2025
Reviewed Nov 13, 2025
Last updated Nov 13, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(4th percentile)

Weaknesses

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate. Learn more on MITRE.

CVE ID

CVE-2025-12765

GHSA ID

GHSA-g4r8-3qmh-pmch

Source code

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