EUVD-2026-72513
GHSA-wppj-v3g8-h62v
Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Project-admin privilege required (PR:H); host change redirects credential transmission to external server (S:C/C:H); no integrity or availability impact.
Primary rating from Vendor (JetBrains).
CVSS VectorVendor: JetBrains
Lifecycle Timeline
2DescriptionCVE.org
In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials
AnalysisAI
Credential exfiltration in JetBrains YouTrack before 2026.2.18769 allows a project administrator to redirect stored mailbox credentials to an attacker-controlled server by modifying the mailbox host setting without triggering re-authentication. The missing re-authentication gate means any project admin who has been compromised, is malicious, or has temporarily elevated access can silently capture email account credentials (username and password) already stored in YouTrack. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an account with project administrator privileges in YouTrack - this is an elevated role, not a standard user. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N) scores 6.8 Medium, which is accurate given the PR:H prerequisite - exploitation requires project administrator privileges, meaningfully constraining the attack surface. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade JetBrains YouTrack to version 2026.2.18769 or later, which adds re-authentication enforcement when modifying mailbox host settings. … Detailed patch versions, workarounds, and compensating controls in full report. |
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In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code e
An SSRF attack was possible on a JetBrains YouTrack server. Rated critical severity (CVSS 9.8), this vulnerability is re
Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack. Rated critical severity (C
An Insecure Direct Object Reference, with Authorization Bypass through a User-Controlled Key, was possible in JetBrains
A query injection was possible in JetBrains YouTrack. Rated critical severity (CVSS 9.8), this vulnerability is remotely
In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient. Rated critical severity (CVSS 9.1),
Privilege escalation in JetBrains YouTrack before version 2026.2.18634 enables authenticated low-privileged users to alt
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External POC / Exploit Code
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