# CVE-2026-78140 — Dromara UJCMS

> As of 2026-08-23, CVE-2026-78140 is a MEDIUM-severity vulnerability in Dromara UJCMS, CVSS v3.1 4.7, EPSS 0.2% (15.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-78140 as of 2026-08-23; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-23

## What is CVE-2026-78140?

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.

The record classifies CVE-2026-78140 under weakness classes [CWE-1336](https://intel.threadlinqs.com/cwe/CWE-1336), [CWE-791](https://cwe.mitre.org/data/definitions/791.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 43 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.7 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.1 (`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`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 15.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-23

## Is CVE-2026-78140 being exploited?

It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Dromara](https://intel.threadlinqs.com/vendors/dromara): UJCMS

## How to fix CVE-2026-78140

No vendor patch reference has been recorded for CVE-2026-78140 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-78140

No threat campaign in the Threadlinqs corpus currently references CVE-2026-78140, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-24.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/d0ctorsec/CVE-Reports/blob/main/CVE-UJCMS-v10.1.3-FreeMarker-SSTI/CVE-UJCMS-v10.1.3-FreeMarker-SSTI.md)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/394523)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/394523/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-78140)
- [vuldb.com — third party advisory (882065)](https://vuldb.com/submit/882065)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-78140
Full detection coverage and IOCs for threats exploiting CVE-2026-78140 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp