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TI-2026-80154 Aliases CVE-2026-116094GHSA-fmmj-g7fc-9hcf

Server-side request forgery in EyouCMS function.php

Priority HIGH 70CWE-918Published · Updated

Key facts

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

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

Summary

EyouCMS up to 1.8.3 is affected. Manipulated input to the remote_file_to_local function in application/function.php causes a server-side request forgery (CWE-918), so the server can be made to send requests to destinations the attacker chooses. A remote attacker without privileges or user interaction can trigger it. A public exploit has been disclosed.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability was determined in EyouCMS up to 1.8.3. This impacts the function remote_file_to_local of the file application/function.php. Executing a manipulation can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00356 29th 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
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
—EyouCMS1.8.0; 1.8.1; 1.8.2; 1.8.3—No fix listedCNA
  • EyouCMS Vendor— Affected 1.8.0; 1.8.1; 1.8.2; 1.8.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:eyoucms:eyoucms:*:*:*:*:*:*:*:*——Eyoucms
  • cpe:2.3:a:eyoucms:eyoucms:*:*:*:*:*:*:*:* Versions — — ·Eyoucms

Remediation

The sources list no fixed version for EyouCMS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116094
  2. 2026-10-26 Priority changed: MEDIUM → LOW
  3. 2026-10-27 Alias added: GHSA-fmmj-g7fc-9hcf
  4. 2026-10-29 CISA SSVC decision points changed
  5. 2026-10-29 Priority changed: LOW → HIGH

References

Exploit 1

Sources

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