In JetBrains YouTrack before 2026.2.18634 stored XSS via a custom field on Agile board cards was possible

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

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.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
JetBrains YouTrack unaffected
Version Status Constraints
0 affected < 2026.2.18634

No data.

No data.

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Vendors Products
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Youtrack Subscribe

Project Subscriptions

Vendors Products
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Youtrack Subscribe
Advisories

No advisories yet.

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

Mon, 07 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
Title Stored XSS via Custom Field on Agile Board Cards in JetBrains YouTrack

Mon, 07 Sep 2026 18:00:00 +0000

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

Mon, 07 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.18634 stored XSS via a custom field on Agile board cards was possible
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-07T16:26:42.682Z

Reserved: 2026-09-07T16:13:35.041Z

Link: CVE-2026-86483

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-07T17:17:26.500

Modified: 2026-09-07T17:17:26.500

Link: CVE-2026-86483

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T18:00:10Z

Weaknesses