EUVD-2026-72505
GHSA-346h-5p4g-633v
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-reachable API requiring only a valid session (PR:L); no integrity or availability impact, only confidentiality loss via unauthorized data disclosure.
Primary rating from Vendor (JetBrains).
CVSS VectorVendor: JetBrains
Lifecycle Timeline
3DescriptionCVE.org
In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations
AnalysisAI
Insecure Direct Object Reference (IDOR) in JetBrains YouTrack before 2026.2.18634 allows authenticated low-privileged users to enumerate and read private issues and starred folder contents belonging to other users across organizational boundaries by manipulating user profile API identifiers. The CVSS 6.5 score (AV:N/AC:L/PR:L/UI:N/C:H) reflects straightforward network exploitation requiring only a valid session. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated session in the YouTrack instance (PR:L per CVSS vector) - any registered user qualifies. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N accurately captures the risk profile: network-reachable, trivially exploitable by any authenticated user, with no integrity or availability consequence but full confidentiality loss against private issue content and starred folders. … 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 2026.2.18634 or later, which resolves the authorization check in the user profile API. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Unauthenticated account takeover in JetBrains YouTrack's Helpdesk feature allows a remote attacker to hijack existing ac
Authentication bypass in JetBrains YouTrack allows attackers to obtain full administrative access by leveraging a direct
In JetBrains YouTrack before 2024.3.51866 system takeover was possible through path traversal in plugin sandbox. Rated c
JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates.
JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection. Rated critical severity (CVSS 9.8), this
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
Unauthenticated database backup disclosure in JetBrains YouTrack before 2025.3.156085, 2026.1.13913, and 2026.2.18112 al
In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient. Rated critical severity (CVSS 9.1),
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External POC / Exploit Code
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