Low · 3.1 CVE-2026-123336 EUVD-2026-118100GHSA-gv5f-529c-m3rx

In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion

Published Nov 6, 2026 · Updated Nov 6, 2026 · Assigned by JetBrains

Vendor: JetBrains Product: YouTrack

Description

In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion

Affected products

Vendor	Product	Affected	Fixed
JetBrains	YouTrack	< 2026.2.19728	2026.2.19728

Advisories 1

WID-SEC-2026-4378 JetBrains You Track: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026

References

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