CVE-2026-78140: Dromara UJCMS web-file-template Endpoint WebFileTemplateController.java update special elements in template engine

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-23 · updated 2026-10-12
Weakness: CWE-791

Description

A flaw has been found in Dromara UJCMS up to 10.1.3. The impacted element is the function update of the file src/main/java/com/ujcms/cms/ext/web/backendapi/WebFileTemplateController.java of the component web-file-template Endpoint. Executing a manipulation can lead to improper neutralization of special elements used in a template engine. The attack can be launched remotely. The exploit has been published and may be used.

Affected products

Dromara UJCMS: 10.1.0, 10.1.1, 10.1.2, 10.1.3

References

https://github.com/d0ctorsec/CVE-Reports/blob/main/CVE-UJCMS-v10.1.3-FreeMarker-SSTI/CVE-UJCMS-v10.1.3-FreeMarker-SSTI.md
https://vuldb.com/cve/CVE-2026-78140
https://vuldb.com/submit/882065
https://vuldb.com/vuln/394523
https://vuldb.com/vuln/394523/cti

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