CVE-2026-86496 Missing authorization in YouTrack
Attackers can view reporter email addresses in JetBrains YouTrack due to missing access control checks on Helpdesk authorized reporters.
- 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-2026-86496?
CVE-2026-86496 is a medium-severity missing authorization vulnerability in JetBrains YouTrack, published on 7 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In JetBrains YouTrack before 2026.2.18769 missing access control on Helpdesk authorized reporters exposed reporter email addresses
Weakness: CWE-862
Which versions are affected by CVE-2026-86496?
How do I fix CVE-2026-86496?
No fix has been published for CVE-2026-86496 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-2026-86496 being exploited?
There is no known exploitation of CVE-2026-86496 in the wild and no public exploit code.
Sources
Also known as GHSA-jcg8-m49q-x22g.