CVE-2026-103492 Denial of service in YouTrack
Attackers can cause a denial of service in JetBrains YouTrack by uploading crafted PSD attachments, requiring an upgrade to mitigate.
- 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-2026-103492?
CVE-2026-103492 is a medium-severity denial of service 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 doS attack was possible via crafted PSD attachments
Weakness: CWE-835
Which versions are affected by CVE-2026-103492?
It affects 1 product.
Products include Jetbrains Youtrack.
How do I fix CVE-2026-103492?
No fix has been published for CVE-2026-103492 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-103492 being exploited?
There is no known exploitation of CVE-2026-103492 in the wild and no public exploit code.
Other vulnerabilities in Jetbrains Youtrack
Sources
Also known as GHSA-phpv-fw3w-7x5h.