What is CVE-2023-50870?

CVE-2023-50870 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-12-15.

How severe is CVE-2023-50870?

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

CSRF in Jetbrains Teamcity

CVE-2023-50870

In JetBrains TeamCity before 2023.11.1 a CSRF on login was possible

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-12-15 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% 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-352 — Cross-Site Request Forgery (CSRF)

References

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

Frequently asked questions

What is CVE-2023-50870?: CVE-2023-50870 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-12-15.
How severe is CVE-2023-50870?: Medium severity. CVSS v3 base score is 4.3 out of 10.