What is CVE-2026-100279?

CVE-2026-100279 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-09-30.

How severe is CVE-2026-100279?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Jetbrains Youtrack

CVE-2026-100279

In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Jetbrains Youtrack

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

www.jetbrains.com/privacy-security/issues-fixed/

Frequently asked questions

What is CVE-2026-100279?: CVE-2026-100279 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-09-30.
How severe is CVE-2026-100279?: Medium severity. CVSS v3 base score is 6.5 out of 10.