CVE-2019-19999

PoC ×2—

CVSS 3.1

7.2 high

EPSS

2%p73

Published

Dec 26, 2019 (Dec 26, 2019)

Modified

Jun 17, 2026

Description

Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.

Vendors: halo
Products: halo
Weakness: CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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