What is CVE-2020-15826?

CVE-2020-15826 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2020-08-08.

How severe is CVE-2020-15826?

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

Privilege escalation in Jetbrains Teamcity

CVE-2020-15826

In JetBrains TeamCity before 2020.1, users are able to assign more permissions than they have.

Vulnerability class: Privilege Escalation

Published 2020-08-08 · 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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Jetbrains Teamcity

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

blog.jetbrains.com (Vendor Advisory)
blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-15826?: CVE-2020-15826 is a medium-severity vulnerability in Jetbrains Teamcity, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2020-08-08.
How severe is CVE-2020-15826?: Medium severity. CVSS v3 base score is 4.3 out of 10.