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CVE-2026-100273: CWE-863 in JetBrains YouTrack

0
High
VulnerabilityCVE-2026-100273cvecve-2026-100273cwe-863
Published: 09/30/2026 (09/30/2026, 15:17:53 UTC)
Source: CVE Database V5
Vendor/Project: JetBrains
Product: YouTrack

Description

In JetBrains YouTrack before 2026.2.19197 authorisation bypass in the scripts debugger allowed arbitrary code execution

CVSS v3.1

Score 8.2high

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected software

JetBrains

YouTrack

Affected versions
>=0 <2026.2.19197
com.jetbrains/youtrack
pkg:maven/com.jetbrains/youtrack
Affected versions
>=0 <2026.2.19197

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/30/2026, 15:48:15 UTC

Technical Analysis

The vulnerability CVE-2026-100273 affects JetBrains YouTrack versions prior to 2026.2.19197. It is an authorization bypass in the scripts debugger that permits arbitrary code execution. The CVSS 3.1 score is 8.2, indicating high severity, with network attack vector, high attack complexity, low privileges required, no user interaction, and impacts confidentiality and integrity with scope changed. No official patch link is provided in the input data, but the fixed version is 2026.2.19197.

Potential Impact

An attacker with limited privileges can bypass authorization controls in the scripts debugger to execute arbitrary code, potentially compromising the confidentiality and integrity of the affected system. Availability is not impacted. This could lead to significant security breaches if exploited.

Mitigation Recommendations

A fix is available in JetBrains YouTrack version 2026.2.19197. Users should upgrade to this version or later to remediate the vulnerability. Since no vendor advisory content was provided, check JetBrains official resources for confirmation and additional guidance.

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Technical Details

Data Version
5.2
Assigner Short Name
JetBrains
Date Reserved
2026-09-25T17:02:09.045Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6abd2c342a4e24523d2ec318

Added to database: 09/30/2026, 15:35:16 UTC

Last enriched: 09/30/2026, 15:48:15 UTC

Last updated: 10/01/2026, 04:03:38 UTC

Views: 13

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