In JetBrains YouTrack before 2026.2.18634 iP spoofing via HTTP headers allowed forged Bitbucket webhooks

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00111.

Exploitation none

Automatable no

Technical Impact partial

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

Tue, 08 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 07 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Title IP Spoofing via HTTP Headers Allows Forged Bitbucket Webhooks in JetBrains YouTrack
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 iP spoofing via HTTP headers allowed forged Bitbucket webhooks
Weaknesses CWE-291
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-08T10:35:03.379Z

Reserved: 2026-09-07T16:13:35.720Z

Link: CVE-2026-86485

cve-icon Vulnrichment

Updated: 2026-09-08T10:33:21.970Z

cve-icon NVD

Status : Deferred

Published: 2026-09-07T17:17:26.723

Modified: 2026-09-08T15:30:03.247

Link: CVE-2026-86485

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T17:30:06Z

Weaknesses