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JetBrains YouTrack < 2026.2.18177 DoS (CVE-2026-75047)

medium Nessus Plugin ID 338351

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Synopsis

The remote host is affected by a denial of service vulnerability.

Description

The version of JetBrains YouTrack installed on the remote host is prior to 2026.2.18177. It is, therefore, affected by a denial of service vulnerability:

 - A DoS attack was possible via a decompression bomb in the import endpoint. (CVE-2026-75047)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to JetBrains YouTrack version 2026.2.18177, or later.

See Also

https://www.jetbrains.com/privacy-security/issues-fixed/

Plugin Details

Severity: Medium

ID: 338351

File Name: jetbrains_youtrack_CVE-2026-75047.nasl

Version: 1.2

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 8/20/2026

Updated: 8/21/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-75047

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:jetbrains:youtrack

Required KB Items: installed_sw/JetBrains YouTrack

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-75047

CWE: 409