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TI-2025-06186 Aliases CVE-2025-6811GHSA-9mc5-qgxh-72q4

Deserialization of untrusted data in Mescius ActiveReports.NET

Priority MEDIUM 51CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mescius ActiveReports.NET. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the TypeResolutionService class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25397.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00888 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MesciusActiveReports.NET18.1.1—No fix listedCNA
  • ActiveReports.NET VendorMescius Affected 18.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mescius:activereports.net:18.1.1:*:*:*:*:*:*:*18.1.1VulnerableMescius
  • cpe:2.3:a:mescius:activereports.net:18.1.1:*:*:*:*:*:*:* Versions 18.1.1 Vulnerable ·Mescius

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-6811
  2. 2026-10-03 Alias added: GHSA-9mc5-qgxh-72q4

References

Advisory 1

  • TI-2025-06185 Deserialization of untrusted data in Mescius ActiveReports.NET CVSS 3.0CRITICAL 9.8

Sources