CVE-2026-86485 Details
Description
In JetBrains YouTrack before 2026.2.18634 iP spoofing via HTTP headers allowed forged Bitbucket webhooks
A vulnerability in JetBrains YouTrack prior to version 2026.2.18634 allows IP spoofing through HTTP headers, which can be exploited to forge Bitbucket webhooks. This issue arises from improper validation of IP addresses in webhook requests, enabling malicious users to manipulate webhook data by injecting false IP information.
Users can update to JetBrains YouTrack version 2026.2.18634 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 7, 2026CISA-ADP
Assessed Sep 8, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.jetbrains.com/privacy-security/issues-fixed/ | [email protected] | AdvisoryBundleVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-291 | Reliance on IP Address for Authentication | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| JetBrains YouTrack | < 2026.2.18634 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 8, 2026 | CVE Modified | CISA-ADP |
| Sep 7, 2026 | New CVE Received | [email protected] |