AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

JetBrainsCVE-2026-86490

JetBrains YouTrack: insecure permissions

JetBrains

CVE-2026-86490 · Published Sep 7, 2026 · updated Sep 8, 2026

Medium6.5
Fix: upgrade to 2026.2.18634 or later
JetBrains advisory

In JetBrains YouTrack before 2026.2.18634 improper permission checks allowed overwriting of bundled apps via the app import endpoint

Affected versions

PackageAffectedFixed in
YouTrack
Product
< 2026.2.186342026.2.18634
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-863

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