CVE-2019-19999
CVSS v3
7.2
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2019-12-26
Frequently asked questions
What is CVE-2019-19999?
Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.
Is CVE-2019-19999 actively exploited?
Active exploitation of CVE-2019-19999 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-19999?
CVE-2019-19999 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2019-19999 affecting your environment?
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