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PatchSiren cyber security CVE debrief

CVE-2026-75051 JetBrains CVE debrief

CVE-2026-75051 is a high-severity vulnerability in JetBrains YouTrack, allowing unauthorized project transfer between organizations. This vulnerability has significant implications for defenders responsible for YouTrack instances, particularly those with multiple organizations. The vulnerability has a CVSS score of 8.1 and is considered high severity. Defenders should assess exposure and prioritize remediation to prevent potential unauthorized project transfers and lateral movement within instances. The CVE record and NVD entry provide limited information about the vulnerability, with the vendor advisory being the primary source of details. To address this vulnerability, defenders

Vendor
JetBrains
Product
YouTrack
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-17
Original CVE updated
2026-09-15
Advisory published
2026-08-17
Advisory updated
2026-09-15

Who should care

Defenders responsible for JetBrains YouTrack instances, especially those with multiple organizations, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-75051 is a high-severity vulnerability in JetBrains YouTrack that allows unauthorized project transfer between organizations. Defenders responsible for YouTrack instances should assess exposure and prioritize remediation to prevent potential unauthorized project transfers and lateral movement within instances.

  • Potential unauthorized project transfer between organizations
  • Possible lateral movement within YouTrack instances
  • Need for verification of exposure and remediation
  • Potential impact on project management and security

Technical summary

CVE-2026-75051 is a high-severity vulnerability in JetBrains YouTrack that allows unauthorized project transfer between organizations. The vulnerability has a CVSS score of 8.1 and is considered high severity. This vulnerability affects JetBrains YouTrack instances, particularly those with multiple organizations. Defenders responsible for YouTrack instances should assess exposure and prioritize remediation to prevent potential unauthorized project transfers and lateral movement within instances. The vulnerability can be addressed by verifying exposure and applying

Defensive priority

Defenders should prioritize verifying exposure and remediation for JetBrains YouTrack instances, especially those with unauthorized project transfer between organizations.

Recommended defensive actions

  • Verify JetBrains YouTrack instances for exposure to unauthorized project transfer
  • Review and apply vendor-provided remediation for CVE-2026-75051
  • Monitor for suspicious project transfer activity in YouTrack instances

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the vendor advisory being the primary source of details. The vulnerability affects JetBrains YouTrack instances, particularly those with multiple organizations. Defenders should verify exposure and apply remediation to prevent potential unauthorized project transfers. The vendor advisory provides guidance on affected scope, severity, and remediation. However, the advisory may not cover all possible

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75051 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75051

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

  • CVE-2026-75051 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75051

    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.