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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 impacts system availability and defenders should assess exposure and prioritize patching or mitigating this vulnerability to prevent potential DoS attacks. The CVSS score for this vulnerability is 7.1, indicating a high severity. Defenders should verify affected versions and patch or mitigate the vulnerability.

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

A DoS vulnerability in JetBrains YouTrack could allow remote attackers to impact system availability. Defenders should assess exposure, prioritize patching or mitigation, and verify affected versions.

  • Potential DoS attacks could impact system availability
  • Defenders should verify affected versions and patch or mitigate 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 impacts system availability and defenders should assess exposure and prioritize patching or mitigating this vulnerability to prevent potential DoS attacks. The vulnerability affects JetBrains YouTrack before versions 2026.1.13901 and 2026.2.17950.

Defensive priority

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

Recommended defensive actions

  • Patch or upgrade JetBrains YouTrack to version 2026.1.13901 or later
  • Apply mitigations to prevent potential DoS attacks
  • Monitor for suspicious activity

Evidence notes

The CVE record and NVD vulnerability detail page provide information about the vulnerability, including its CVSS score and affected versions. The CVE record was published on 2026-08-17T16:17:52.097Z and has not been modified since then. The information provided is based on available data and may not be exhaustive. Defenders should verify affected versions and review the official advisory for further details.

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.