TI-2026-02456 Aliases CVE-2026-2860 GHSA-96j8-mwhp-xmj4

feng_ha_ha/megagao ssm-erp/production_ssm EmployeeController.java improper authorization

MEDIUM 57CWE-266Published 2026-02-21 · Updated 2026-02-24

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Privilege escalation, Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.

Summary

A security vulnerability has been detected in feng_ha_ha/megagao ssm-erp and production_ssm up to 4288d53bd35757b27f2d070057aefb2c07bdd097. Impacted is an unknown function of the file EmployeeController.java. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. This product is distributed under two entirely different names. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00284 21st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
feng_ha_ha	ssm-erp	4288d53bd35757b27f2d070057aefb2c07bdd097	—	No fix listed	CNA
feng_ha_ha	production_ssm	4288d53bd35757b27f2d070057aefb2c07bdd097	—	No fix listed	CNA
megagao	ssm-erp	4288d53bd35757b27f2d070057aefb2c07bdd097	—	No fix listed	CNA
megagao	production_ssm	4288d53bd35757b27f2d070057aefb2c07bdd097	—	No fix listed	CNA

ssm-erp Vendorfeng_ha_ha Affected 4288d53bd35757b27f2d070057aefb2c07bdd097 Fixed in — No fix listed CNA
production_ssm Vendorfeng_ha_ha Affected 4288d53bd35757b27f2d070057aefb2c07bdd097 Fixed in — No fix listed CNA
ssm-erp Vendormegagao Affected 4288d53bd35757b27f2d070057aefb2c07bdd097 Fixed in — No fix listed CNA
production_ssm Vendormegagao Affected 4288d53bd35757b27f2d070057aefb2c07bdd097 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-2860
2026-10-03 Alias added: GHSA-96j8-mwhp-xmj4

References

Exploit 1

https://github.com/megagao/production_ssm/issues/36#issue-3914626431

Other 1

https://github.com/megagao/production_ssm/issues/36

TI-2026-02460 feng_ha_ha/megagao ssm-erp/production_ssm PictureController.java pictureDelete path traversal CVSS 4.0MEDIUM 5.3
TI-2026-02459 feng_ha_ha/megagao ssm-erp/production_ssm FileServiceImpl.java deleteFile path traversal CVSS 4.0MEDIUM 5.3
TI-2025-04264 feng_ha_ha/megagao ssm-erp/production_ssm PictureServiceImpl.java uploadPicture unrestricted upload CVSS 4.0MEDIUM 5.3
TI-2025-04045 feng_ha_ha/megagao ssm-erp/production_ssm File FileController.java handleFileDownload path traversal CVSS 4.0MEDIUM 5.3
TI-2025-03862 feng_ha_ha/megagao ssm-erp/production_ssm FileServiceImpl.java uploadFile unrestricted upload CVSS 4.0MEDIUM 5.3

Sources

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