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TI-2026-04479 Aliases CVE-2026-5131GHSA-f2cg-3cww-mcq8

Server-Side Request Forgery in GREENmod

Priority LOW 37CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

GREENmod uses named pipes for communication between plugins, the web portal, and the system service, but the access control lists for these pipes are configured incorrectly. This allows an attacker to communicate with the stream and upload any XML or JSON file, which will be processed by the named pipe with the privileges of the user under whose context the service is running. This allows for Server-Side Request Forgery to any Windows system on which the agent is installed and which provides communication via SMB or WebDav. This issue was fixed in version 2.8.33.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00426 37th percentileScored 2026-11-07
Fix Fixed GREENmod (Nomios Poland): 2.8.33

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Nomios PolandGREENmodbefore 2.8.332.8.33Patch availableCNA
  • GREENmod VendorNomios Poland Affected before 2.8.33 Fixed in 2.8.33 Patch available CNA

Remediation

  • Fix · CNA GREENmod (Nomios Poland) Fixed in 2.8.33

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5131
  2. 2026-10-03 Alias added: GHSA-f2cg-3cww-mcq8

References

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences