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6.5
CVE-2026-75050: JetBrains YouTrack Type Parameter Denial of Service
CVE-2026-75050 · published 2 months ago
Summary
A crafted request can cause JetBrains YouTrack to crash, potentially leading to service disruption. This affects YouTrack versions before 2026.1.13901 and 2026.2.17950. To mitigate this issue, update to the latest version of YouTrack.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| jetbrains | youtrack |
< 2026.1.13901,
2026.2.17950 < 2026.1.13901 >= 2026.2, < 2026.2.17950 |
Original advisory text
In JetBrains YouTrack before 2026.1.13901,
2026.2.17950 doS attack was possible via crafted type parameters
In JetBrains YouTrack before 2026.1.13901,
2026.2.17950 doS attack was possible via crafted type parameters
2026.2.17950 doS attack was possible via crafted type parameters
References
- https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory
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
6.5
Medium
Type
CWE-770Allocation of Resources Without Limits
Timeline
Published17 Aug 2026
Updated4 Nov 2026
First seen17 Aug 2026
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