In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Jetbrains
  • Youtrack

Configuration 1 [-]

cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon cve-icon
History

Fri, 02 Oct 2026 16:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*

Thu, 01 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack

Wed, 30 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Title Guest users able to bypass workflow visibility restrictions in JetBrains YouTrack

Wed, 30 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published: 2026-09-30T15:17:54.642Z

Updated: 2026-09-30T15:48:37.786Z

Reserved: 2026-09-25T17:02:10.024Z

Link: CVE-2026-100276

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-09-30T16:16:59.223

Modified: 2026-10-02T16:07:13.533

Link: CVE-2026-100276

cve-icon Redhat

No data.