In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

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

No data.

No data.

No data.

No data.

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

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

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters
Weaknesses CWE-1333
References
Metrics cvssV3_1

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-30T15:48:39.085Z

Reserved: 2026-09-25T17:02:07.268Z

Link: CVE-2026-100267

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T16:16:57.853

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

Link: CVE-2026-100267

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses