CVE-2026-57921: CWE-862 in JetBrains YouTrack
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
AI Analysis
Technical Summary
This vulnerability in JetBrains YouTrack is due to improper access control (CWE-862) in the comment templates endpoint, which permits users with limited privileges to access private data of other users. The issue affects versions prior to 2026.2.16593. The CVSS 3.1 base score is 4.3, reflecting a low complexity attack vector over the network with no user interaction required. The vulnerability impacts confidentiality but not integrity or availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
An attacker with limited privileges can read private user data via the comment templates endpoint, leading to a confidentiality breach. There is no impact on data integrity or system availability. The vulnerability requires network access and low privileges but no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the comment templates endpoint to trusted users only and monitor for unusual access patterns related to this functionality.
CVE-2026-57921: CWE-862 in JetBrains YouTrack
Description
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in JetBrains YouTrack is due to improper access control (CWE-862) in the comment templates endpoint, which permits users with limited privileges to access private data of other users. The issue affects versions prior to 2026.2.16593. The CVSS 3.1 base score is 4.3, reflecting a low complexity attack vector over the network with no user interaction required. The vulnerability impacts confidentiality but not integrity or availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
An attacker with limited privileges can read private user data via the comment templates endpoint, leading to a confidentiality breach. There is no impact on data integrity or system availability. The vulnerability requires network access and low privileges but no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the comment templates endpoint to trusted users only and monitor for unusual access patterns related to this functionality.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-06-26T12:21:22.954Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3e7d61cef61ccff96cd4f1
Added to database: 06/26/2026, 13:23:45 UTC
Last enriched: 06/26/2026, 13:54:05 UTC
Last updated: 06/26/2026, 14:33:14 UTC
Views: 2
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