CVE-2026-75044: CWE-862 in JetBrains YouTrack
CVE-2026-75044 is a high severity vulnerability in JetBrains YouTrack that allows an authenticated user to delete arbitrary entities via the mailbox endpoint due to missing authorization checks. This affects versions before 2025.3.156085, 2026.1.13914, and 2026.2.18095. The vulnerability is classified as CWE-862 (Missing Authorization).
AI Analysis
Technical Summary
This vulnerability in JetBrains YouTrack arises from missing authorization controls on the mailbox endpoint, enabling authenticated users with limited privileges to delete arbitrary entities. The issue affects versions prior to 2025.3.156085, 2026.1.13914, and 2026.2.18095. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, but high integrity and availability impact.
Potential Impact
An authenticated user with limited privileges can delete arbitrary entities in YouTrack, potentially disrupting service availability and integrity of data. There is no confidentiality impact reported. This could lead to denial of service or loss of critical data within the affected YouTrack instance.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Users should monitor JetBrains advisories for updates and consider restricting access to the mailbox endpoint until a fix is available.
CVE-2026-75044: CWE-862 in JetBrains YouTrack
Description
CVE-2026-75044 is a high severity vulnerability in JetBrains YouTrack that allows an authenticated user to delete arbitrary entities via the mailbox endpoint due to missing authorization checks. This affects versions before 2025.3.156085, 2026.1.13914, and 2026.2.18095. The vulnerability is classified as CWE-862 (Missing Authorization).
CVSS v3.1
Score 8.1high
Affected software
pkg:github/jetbrains/YouTrackRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in JetBrains YouTrack arises from missing authorization controls on the mailbox endpoint, enabling authenticated users with limited privileges to delete arbitrary entities. The issue affects versions prior to 2025.3.156085, 2026.1.13914, and 2026.2.18095. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, but high integrity and availability impact.
Potential Impact
An authenticated user with limited privileges can delete arbitrary entities in YouTrack, potentially disrupting service availability and integrity of data. There is no confidentiality impact reported. This could lead to denial of service or loss of critical data within the affected YouTrack instance.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Users should monitor JetBrains advisories for updates and consider restricting access to the mailbox endpoint until a fix is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-08-17T15:34:06.256Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a833690bf8831d53930a429
Added to database: 08/17/2026, 16:28:00 UTC
Last enriched: 08/17/2026, 16:43:01 UTC
Last updated: 08/18/2026, 02:41:00 UTC
Views: 6
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