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5.5

CVE-2026-86500: JetBrains YouTrack lets project updater become admin

CVE-2026-86500 · published 1 month ago
Summary

In YouTrack versions before the 2026.1.14047 update, a user who can edit projects could elevate their own rights to a Project Administrator. This gives them broader control over project settings and data. Apply the latest YouTrack update or restrict project update permissions until the patch is installed.

What to do
  • Update jetbrains youtrack to version 2026.1.14047 or later.
Affected software
VendorProductAffected versions
jetbrains youtrack < 2026.1.14047
Original advisory text
In JetBrains YouTrack before 2026.1.14047 a missing escalation check let a user with project update permissions grant themselves Project Admin
In JetBrains YouTrack before 2026.1.14047 a missing escalation check let a user with project update permissions grant themselves Project Admin
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-266Incorrect Privilege Assignment
Timeline
Published7 Sep 2026
Updated4 Nov 2026
First seen8 Sep 2026
Sources
CVE-2026-86500 · MITRE
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