CVE-2026-103494 Privilege escalation in YouTrack

Medium 6.6 Published Updated

Attackers can escalate privileges by manipulating user group memberships in JetBrains YouTrack, requiring an upgrade to the latest version.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-103494?

CVE-2026-103494 is a medium-severity vulnerability in Jetbrains Youtrack, published on 1 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes

Weakness: CWE-266

Which versions are affected by CVE-2026-103494?

It affects 1 product.

Products include Jetbrains Youtrack.

How do I fix CVE-2026-103494?

No fix has been published for CVE-2026-103494 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-103494 being exploited?

There is no known exploitation of CVE-2026-103494 in the wild and no public exploit code.

All Jetbrains Youtrack vulnerabilities

Sources

Also known as GHSA-2mxr-49jc-ww8f.

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