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CVE-2026-116094 EyouCMS CVE debrief

A server-side request forgery vulnerability was determined in EyouCMS up to 1.8.3, impacting the function remote_file_to_local of the file application/function.php. This CVE record was published on 2026-10-25T21:45:13.041Z and has not been modified since then. The NVD entry is currently unclassified. The vulnerability allows attackers to manipulate the remote_file_to_local function, potentially leading to unauthorized access or data breaches. Defenders should be aware of the potential risks and take necessary precautions.

Vendor
EyouCMS
Product
EyouCMS
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-25
Original CVE updated
2026-10-29
Advisory published
2026-10-25
Advisory updated
2026-10-29

Who should care

Defenders of EyouCMS deployments, especially those using versions up to 1.8.3, should assess exposure and potential impact. This includes EyouCMS administrators, security teams, and operators who need to verify the vulnerability's presence in their systems and take necessary precautions to prevent exploitation.

Why it matters

Defenders should prioritize verification of exposure for EyouCMS deployments, especially those using versions up to 1.8.3, and assess the vulnerability's impact on their systems due to the publicly disclosed exploit and potential for server-side request forgery attacks.

  • Verify exposure of EyouCMS deployments to server-side request forgery attacks
  • Assess potential impact on EyouCMS systems
  • Monitor EyouCMS systems for potential server-side request forgery attacks
  • Prioritize patching or mitigating the vulnerability in EyouCMS deployments

Technical summary

The vulnerability is in the function remote_file_to_local of the file application/function.php in EyouCMS up to 1.8.3, leading to server-side request forgery. The attack can be launched remotely. The exploit has been publicly disclosed but may not be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability can be mitigated by applying vendor patches or updates, and defenders should prioritize verification of exposure for EyouCMS deployments, especially those using versions up to 1.8.3.

Defensive priority

Defenders should prioritize verification of exposure for EyouCMS deployments, especially those using versions up to 1.8.3, and assess the vulnerability's impact on their systems.

Recommended defensive actions

  • Verify EyouCMS deployments for exposure, especially those using versions up to 1.8.3
  • Assess the vulnerability's impact on EyouCMS systems
  • Monitor EyouCMS systems for potential server-side request forgery attacks
  • Apply vendor patches or updates to mitigate the vulnerability
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The vulnerability was determined in EyouCMS up to 1.8.3, specifically in the function remote_file_to_local of the file application/function.php, which can lead to server-side request forgery. The exploit has been publicly disclosed but may not be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-116094 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-116094

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-116094 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-116094

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • EyouCMS function.php remote_file_to_local server-side request forgery

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/116xxx/CVE-2026-116094.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/426161

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/426161/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-116094

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/1000661

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/yy-t1/security-reports/tree/main/web/EyouCMS1.8.2/remote_file_to_local()%E7%BC%BA%E5%A4%B1%20SSRF%20%E6%A0%A1%E9%AA%8C%E5%AF%BC%E8%87%B4%E5%89%8D%E5%8F%B0%20SSRF

    Supplemental source - exploit

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.