CVE-2026-86498: CWE-863 in JetBrains YouTrack
CVE-2026-86498 is a high-severity vulnerability in JetBrains YouTrack that allows modification of linked entities without proper update permissions via pUT requests on link sub-resources. This affects versions prior to 2025.3.160480 and 2026.1.14047. The vulnerability is categorized under CWE-863 (Incorrect Authorization).
AI Analysis
Technical Summary
This vulnerability in JetBrains YouTrack versions before 2025.3.160480 and 2026.1.14047 allows an attacker with limited privileges (PR:L) to modify linked entities through pUT requests on link sub-resources without having update permissions. The CVSS 3.1 score is 7.7, indicating high severity, with network attack vector, low attack complexity, no user interaction, and a scope change. The impact is integrity loss without confidentiality or availability impact. No official patch or remediation guidance is provided in the available data.
Potential Impact
An attacker with limited privileges can modify linked entities without proper authorization, leading to unauthorized integrity changes in YouTrack data. There is no impact on confidentiality or availability according to the CVSS vector. This could allow unauthorized data manipulation within the affected YouTrack instances.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor JetBrains advisories for updates and consider restricting access to YouTrack link sub-resources as a temporary measure if feasible.
CVE-2026-86498: CWE-863 in JetBrains YouTrack
Description
CVE-2026-86498 is a high-severity vulnerability in JetBrains YouTrack that allows modification of linked entities without proper update permissions via pUT requests on link sub-resources. This affects versions prior to 2025.3.160480 and 2026.1.14047. The vulnerability is categorized under CWE-863 (Incorrect Authorization).
CVSS v3.1
Score 7.7high
Affected software
pkg:maven/com.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 versions before 2025.3.160480 and 2026.1.14047 allows an attacker with limited privileges (PR:L) to modify linked entities through pUT requests on link sub-resources without having update permissions. The CVSS 3.1 score is 7.7, indicating high severity, with network attack vector, low attack complexity, no user interaction, and a scope change. The impact is integrity loss without confidentiality or availability impact. No official patch or remediation guidance is provided in the available data.
Potential Impact
An attacker with limited privileges can modify linked entities without proper authorization, leading to unauthorized integrity changes in YouTrack data. There is no impact on confidentiality or availability according to the CVSS vector. This could allow unauthorized data manipulation within the affected YouTrack instances.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor JetBrains advisories for updates and consider restricting access to YouTrack link sub-resources as a temporary measure if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-07T16:13:39.471Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9ee85bacd9273b49f0e442
Added to database: 09/07/2026, 16:37:47 UTC
Last enriched: 09/07/2026, 16:52:22 UTC
Last updated: 09/07/2026, 21:33:44 UTC
Views: 7
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