CVE-2025-12765: pgAdmin 4: LDAP authentication flow vulnerable to TLS certificate verification bypass.
Vulnerability summary
CVE-2025-12765 is a high (CVSS 7.5) Improper Certificate Validation vulnerability in pgadmin pgadmin_4. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.8% of scored vulnerabilities.
Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 13-11-2025PublishedVulnerability first disclosed.
- 13-11-2025Last modifiedVulnerability information updated.
Description
pgAdmin <= 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST7.4HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Pgadmin1 product
- pgadmin_4< 9.10
Pgadmin.org1 product
- pgadmin 4< 9.10
PyPI1 product
- pgadmin4< 9.10
3 vendors · 3 products
References
6 links- pypi.org/project/pgadmin4PACKAGE