PatchSiren

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 multi-organization setups. The vulnerability has a CVSS score of 8.1 and is considered high severity. Defenders should assess exposure, prioritize remediation, and verify instance logs for suspicious activity related to project transfers.

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 multi-organization setups, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-75051 is a high-severity vulnerability in JetBrains YouTrack, allowing unauthorized project transfer between organizations. Defenders responsible for YouTrack instances should assess exposure, prioritize remediation, and verify instance logs for suspicious activity.

  • Potential unauthorized project transfers may require verification and remediation.
  • Defenders should assess exposure and prioritize patching or updates.
  • Verification of instance logs for suspicious activity is recommended.

Technical summary

CVE-2026-75051 is a high-severity vulnerability in JetBrains YouTrack, allowing unauthorized project transfer between organizations. The vulnerability has a CVSS score of 8.1 and is considered high severity. It affects JetBrains YouTrack before version 2026.2.17917. Defenders should assess exposure, prioritize remediation, and verify instance logs for suspicious activity related to project transfers.

Defensive priority

Defenders should prioritize verifying exposure and remediation for YouTrack instances, especially those with unauthorized project transfers.

Recommended defensive actions

  • Verify YouTrack instance exposure and check for unauthorized project transfers.
  • Review and apply vendor-provided patches or updates.
  • Monitor YouTrack instance logs for suspicious activity.

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 before version 2026.2.17917. The CVSS score of 8.1 indicates high severity. Defenders should verify instance exposure, review and apply vendor-provided patches or updates, and monitor instance logs for suspicious activity.

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.