CVE-2026-86500: CWE-266 in JetBrains YouTrack
CVE-2026-86500 is a vulnerability in JetBrains YouTrack before version 2026.1.14047 where a missing escalation check allows a user with project update permissions to escalate their privileges to Project Admin.
AI Analysis
Technical Summary
This vulnerability, classified as CWE-266 (Incorrect Privilege Assignment), affects JetBrains YouTrack versions prior to 2026.1.14047. It allows a user who already has project update permissions to bypass intended restrictions and grant themselves Project Admin rights due to a missing escalation check in the access control logic.
Potential Impact
An attacker with project update permissions can escalate their privileges to Project Admin, potentially gaining broader control over project settings and data. The CVSS score is 5.5 (medium severity), reflecting limited confidentiality and integrity impact but no availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
No official patch or remediation guidance is currently available. Users should monitor the vendor advisory for updates and apply the fix once it is released. Until then, restrict project update permissions to trusted users only to minimize risk.
CVE-2026-86500: CWE-266 in JetBrains YouTrack
Description
CVE-2026-86500 is a vulnerability in JetBrains YouTrack before version 2026.1.14047 where a missing escalation check allows a user with project update permissions to escalate their privileges to Project Admin.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, classified as CWE-266 (Incorrect Privilege Assignment), affects JetBrains YouTrack versions prior to 2026.1.14047. It allows a user who already has project update permissions to bypass intended restrictions and grant themselves Project Admin rights due to a missing escalation check in the access control logic.
Potential Impact
An attacker with project update permissions can escalate their privileges to Project Admin, potentially gaining broader control over project settings and data. The CVSS score is 5.5 (medium severity), reflecting limited confidentiality and integrity impact but no availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
No official patch or remediation guidance is currently available. Users should monitor the vendor advisory for updates and apply the fix once it is released. Until then, restrict project update permissions to trusted users only to minimize risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-07T16:13:40.130Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9ee85bacd9273b49f0e446
Added to database: 09/07/2026, 16:37:47 UTC
Last enriched: 09/07/2026, 16:53:36 UTC
Last updated: 09/07/2026, 21:20:08 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.