CVE-2026-9498 (GCVE-0-2026-9498)

Vulnerability from cvelistv5 – Published: 2026-05-25 20:00 – Updated: 2026-05-28 15:44
VLAI
Title
Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine
Summary
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.
Severity
5.3 (Medium)
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
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
  • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-791 - Incomplete Filtering of Special Elements
Assigner
References
URL Tags
https://vuldb.com/vuln/365481 vdb-entrytechnical-description
https://vuldb.com/vuln/365481/cti signaturepermissions-required
https://vuldb.com/submit/814103 third-party-advisory
https://github.com/Ku4D3/bug_story/blob/main/repo… exploit
Impacted products
Vendor Product Version
Dromara lamp-cloud Affected: 5.6.0
Affected: 5.6.1
Affected: 5.6.2
    cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Ku4D3 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.