Detections
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JetBrains YouTrack < 2025.3.121962 Authentication Bypass

medium Nessus Plugin ID 300070

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Synopsis

The remote host is affected by an authentication bypass vulnerability.

Description

The version of JetBrains YouTrack installed on the remote host is prior to 2025.3.121962. It is, therefore, affected by an authentication bypass vulnerability:

 - In JetBrains YouTrack before 2025.3.121962 apps were able to send requests to the app permissions endpoint.
 (CVE-2026-28193)

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 2025.3.121962, or later.

See Also

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

Plugin Details

Severity: Medium

ID: 300070

File Name: jetbrains_youtrack_2025_3_121962.nasl

Version: 1.3

Type: local

Agent: windows, macosx, unix

Family: Misc.

Published: 2/27/2026

Updated: 3/6/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-28193

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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: 2/25/2026

Vulnerability Publication Date: 2/25/2026

Reference Information

CVE: CVE-2026-28193

IAVA: 2026-A-0193