In JetBrains YouTrack before 2026.2.18991 stored HTML injection via the User-Agent header was possible
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 10 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 02 Oct 2026 20:30:00 +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 17:15:00 +0000

Type Values Removed Values Added
Title HTML Injection via User‑Agent Header in JetBrains YouTrack

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

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.18991 stored HTML injection via the User-Agent header was possible
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-30T15:48:39.648Z

Reserved: 2026-09-25T17:02:05.789Z

Link: CVE-2026-100263

cve-icon Vulnrichment

Updated: 2026-09-30T15:42:45.750Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-30T16:16:57.267

Modified: 2026-10-02T20:23:31.353

Link: CVE-2026-100263

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T00:15:14Z

Weaknesses