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TI-2026-61595 Aliases CVE-2026-90581GHSA-8mrj-3xx2-r42f

cym1102 nginxWebUI autoUpdate MainController.autoUpdate code injection

Priority MEDIUM 57CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
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-94.

Summary

A vulnerability was determined in cym1102 nginxWebUI up to 4.4.2. This issue affects the function MainController.autoUpdate of the file /adminPage/main/autoUpdate. This manipulation of the argument url causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00413 35th 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

VendorProductAffected versionsFixed inStatusSource
cym1102nginxWebUI4.4.0; 4.4.1; 4.4.2—No fix listedCNA
  • nginxWebUI Vendorcym1102 Affected 4.4.0; 4.4.1; 4.4.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:cym1102:nginxwebui:*:*:*:*:*:*:*:*——cym1102
  • cpe:2.3:a:cym1102:nginxwebui:*:*:*:*:*:*:*:* Versions — — ·cym1102

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90581
  2. 2026-10-03 Alias added: GHSA-8mrj-3xx2-r42f

References

Exploit 1

Patch 1

Other 1

  • TI-2024-03484 cym1102 nginxWebUI saveCmd handlePath certificate validation CVSS 3.1CRITICAL 9.8
  • TI-2024-03486 cym1102 nginxWebUI reload exec deserialization CVSS 3.1CRITICAL 9.8
  • TI-2026-01795 cym1102 nginxWebUI Web Management check cross site scripting CVSS 4.0MEDIUM 5.1
  • TI-2024-03485 cym1102 nginxWebUI upload os command injection CVSS 3.1CRITICAL 9.8
  • TI-2024-03483 cym1102 nginxWebUI addOver findCountByQuery path traversal CVSS 3.1CRITICAL 9.8
  • TI-2024-03482 cym1102 nginxWebUI upload unrestricted upload CVSS 3.1HIGH 7.5

Sources

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