CVE-2026-103495 Missing authorization in YouTrack

Medium 4.3 Published 1 Oct 2026 Updated 1 Oct 2026

An attacker can reload translation catalogs without authorization, potentially exposing internal data or causing minor service disruption.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-103495?

CVE-2026-103495 is a medium-severity missing authorization vulnerability in Jetbrains Youtrack, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed reloading of translation catalogs

Weakness: CWE-862

Which versions are affected by CVE-2026-103495?

It affects 1 product.

Products include Jetbrains Youtrack.

How do I fix CVE-2026-103495?

No fix has been published for CVE-2026-103495 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-103495 being exploited?

There is no known exploitation of CVE-2026-103495 in the wild and no public exploit code.

All Jetbrains Youtrack vulnerabilities

Sources

Also known as GHSA-xj44-923v-h49g.