What is CVE-2024-39878?

CVE-2024-39878 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insufficiently Protected Credentials. CVSS score: 4.1/10. Published 2024-07-01.

How severe is CVE-2024-39878?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Jetbrains Teamcity

CVE-2024-39878

In JetBrains TeamCity before 2024.03.3 private key could be exposed via testing GitHub App Connection

Published 2024-07-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Jetbrains Teamcity — versions 0

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

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

Frequently asked questions

What is CVE-2024-39878?: CVE-2024-39878 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Insufficiently Protected Credentials. CVSS score: 4.1/10. Published 2024-07-01.
How severe is CVE-2024-39878?: Medium severity. CVSS v3 base score is 4.1 out of 10.