What is CVE-2025-31139?

CVE-2025-31139 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2025-03-27.

How severe is CVE-2025-31139?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2025-31139 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Jetbrains Teamcity

CVE-2025-31139

In JetBrains TeamCity before 2025.03 base64 encoded password could be exposed in build log

Published 2025-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)

Frequently asked questions

What is CVE-2025-31139?: CVE-2025-31139 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2025-03-27.
How severe is CVE-2025-31139?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-31139 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.