PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-75050 JetBrains CVE debrief

A denial-of-service (DoS) vulnerability was found in JetBrains YouTrack before versions 2026.1.13901 and 2026.2.17950. The vulnerability is due to crafted type parameters that could allow a remote attacker to perform a DoS attack. This issue affects JetBrains YouTrack deployments, and defenders should assess exposure and prioritize patching or mitigating this vulnerability to prevent potential DoS attacks. The vulnerability has a high severity with a CVSS score of 7.1, indicating significant potential impact.

Vendor
JetBrains
Product
YouTrack
CVSS
HIGH 7.1
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 deployments should assess exposure and prioritize patching or mitigating this vulnerability to prevent potential DoS attacks.

Why it matters

Defenders should care about CVE-2026-75050 because it is a high-severity DoS vulnerability in JetBrains YouTrack that could allow remote attackers to disrupt service. The vulnerability requires verification of affected versions and exposure, and priority should be given to patching or mitigating it.

  • Potential disruption of service due to DoS attacks
  • Need for verification of affected versions and exposure
  • Priority for patching or mitigating the vulnerability

Technical summary

The vulnerability is due to crafted type parameters that could allow a remote attacker to perform a DoS attack. The CVSS score for this vulnerability is 7.1, indicating a high severity. This issue affects JetBrains YouTrack before versions 2026.1.13901 and 2026.2.17950. Defenders should prioritize patching or mitigating this vulnerability to prevent potential DoS attacks, and review the official advisory for specific guidance on affected versions and mitigation strategies.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability to prevent potential DoS attacks.

Recommended defensive actions

  • Patch or upgrade to a non-vulnerable version of JetBrains YouTrack
  • Implement network access controls to limit exposure to the vulnerability
  • Monitor for potential DoS attacks

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its CVSS score and affected versions. The evidence is limited to publicly available sources, and further verification is required to confirm affected scope and exposure. Defenders should review the official advisory and CVE record to validate affected systems and prioritize patching or mitigation. The CVE record was published on 2026-08-17T16:17:52.097Z and has not been modified since.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75050 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75050

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

  • CVE-2026-75050 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75050

    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.