CVE-2026-9498CWE-1336CWE-791

Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine

Medium · published May 25, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
32.2
In the wild
Unconfirmed
What it is

A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00393 · 32.2th percentile
Weaknesses
CWE-1336 · Improper Neutralization of Special Elements Used in a Template Engine; CWE-791 · Incomplete Filtering of Special Elements
Published
2026-05-25T20:00Z
EPSS history
Timeline
  • 25 MAY 20:00Z
    Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine
    cvelistv5