CVE-2026-75050Network attack vectorHinoki check available

Authenticated service interruption via crafted type parameters

Published Aug 17, 2026 · Updated Aug 17, 2026

JetBrains YouTrack before 2026.1.13901 and 2026.2.17950 allows remote authenticated users to cause DoS via crafted type parameters. JetBrains has not published the affected parser, endpoint, or allocation path; the public record says only that handling attacker-supplied type parameters lacks adequate resource controls. Low-privilege access is required, and the disclosed consequence is bounded to availability loss rather than configuration changes or code execution.

CVSS severity7.1
High
EPSS probability0.78%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
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Summary

What happened

JetBrains YouTrack before 2026.1.13901 and 2026.2.17950 allows remote authenticated users to cause DoS via crafted type parameters. JetBrains has not published the affected parser, endpoint, or allocation path; the public record says only that handling attacker-supplied type parameters lacks adequate resource controls. Low-privilege access is required, and the disclosed consequence is bounded to availability loss rather than configuration changes or code execution.

The record

CVE
CVE-2026-75050
Published
Aug 17, 2026
Updated
Aug 17, 2026
Vendor
JetBrains
Product
YouTrack
Classifications
CWE-770, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2026.1.13901, 2026.2.17950

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · YouTrackversion=0 <2026.1.13901, 2026.2.17950

Published CVSS scores

7.1JetBrains CNACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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