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PatchSiren cyber security CVE debrief

CVE-2026-86482 JetBrains CVE debrief

CVE-2026-86482 debrief based on CVE Program and NVD records. The vulnerability involves insufficient validation of role assignments in JetBrains YouTrack before version 2026.2.18634, allowing for privilege escalation. This issue has a CVSS score of 8.8 and is classified as HIGH. Defenders responsible for YouTrack deployments should assess exposure and verify role assignments to prevent unauthorized access. The CVE record and NVD detail page provide information on the vulnerability, including its description and CVSS score.

Vendor
JetBrains
Product
YouTrack
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-07
Original CVE updated
2026-09-22
Advisory published
2026-09-07
Advisory updated
2026-09-22

Who should care

Defenders responsible for JetBrains YouTrack deployments should assess exposure and verify role assignments to prevent privilege escalation.

Why it matters

Defenders should care about CVE-2026-86482 because it involves privilege escalation in JetBrains YouTrack, which could lead to unauthorized access and potential security breaches. Those responsible for YouTrack deployments should assess exposure, verify role assignments, and upgrade to version 2026.2.18634 or later to prevent exploitation.

  • Potential privilege escalation in YouTrack deployments
  • Need to verify role assignments to prevent unauthorized access
  • Possible impact on system security and data integrity

Technical summary

In JetBrains YouTrack before 2026.2.18634, insufficient validation of role assignments allowed privilege escalation. The vulnerability has a CVSS score of 8.8 and is classified as HIGH. This issue affects JetBrains YouTrack deployments, which should assess exposure and verify role assignments to prevent unauthorized access. The CVE record and NVD detail page provide information on the vulnerability, including its description and CVSS score.

Defensive priority

Defenders should prioritize verification of YouTrack role assignments and upgrade to version 2026.2.18634 or later.

Recommended defensive actions

  • Verify YouTrack role assignments to prevent privilege escalation
  • Upgrade to JetBrains YouTrack version 2026.2.18634 or later
  • Review and adjust role assignments as necessary

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its description and CVSS score. Evidence is limited to public CVE Program and NVD records. Defenders should verify role assignments and upgrade to version 2026.2.18634 or later to prevent exploitation. The CVE record was published on 2026-09-07T17:17:26.383Z and has not been modified since then.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-86482 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-86482

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-86482 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-86482

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.