In JetBrains YouTrack before 2026.2.19197 missing authorisation on several endpoints allowed authenticated users to access information from other projects

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Wed, 30 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Title Authenticated Users Gain Unauthorized Access to Data from Other Projects

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

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.19197 missing authorisation on several endpoints allowed authenticated users to access information from other projects
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-30T15:48:38.509Z

Reserved: 2026-09-25T17:02:08.509Z

Link: CVE-2026-100271

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T16:16:58.433

Modified: 2026-09-30T16:44:39.840

Link: CVE-2026-100271

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T17:45:05Z

Weaknesses