CVE-2026-100280

Status: AnalyzedMedium (4.3)—

In JetBrains YouTrack before 2026.2.19197 creating a project from an unreadable custom template was possible

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base score: 4.3

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.17%
Percentile among all scored CVEs: 6
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement75 %
Primary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access65 %

Acceso con privilegios a funcionalidad restringida (plantilla no legible) en servicio remoto YouTrack; CWE-862 indica fallo en autorización que permite lectura/manipulación de recursos protegidos.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training User Account Management

Affected technologies (1)

Jetbrains — Youtrack

CWEs

CWE-862

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Raw JSON (NVD)

Show

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