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PatchSiren cyber security CVE debrief

CVE-2026-112027 light0011 CVE debrief

A vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this vulnerability is the function file_exists of the file Public/Home/js/uploadify/check-exists.php of the component Uploadify. The manipulation of the argument filename results in file and directory information exposure. The attack may be launched remotely. The exploit is now public and may be used.

Vendor
light0011
Product
cms
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-18
Original CVE updated
2026-10-19
Advisory published
2026-10-18
Advisory updated
2026-10-19

Who should care

Defenders responsible for light0011 cms deployments should assess exposure and prioritize verification of the vulnerability in their inventory. This includes operators, platform administrators, vulnerability management teams, and security teams who need to identify and mitigate potential risks associated with the Uploadify component. They should review the vulnerability details, assess the impact on their systems, and plan for necessary updates or mitig

Why it matters

Defenders should prioritize verifying the vulnerability in their inventory and assessing exposure, as the exploit is public and may be used.

  • File and directory information exposure may allow attackers to gather information about the system.
  • The public exploit may be used to launch remote attacks.
  • Defenders should verify the vulnerability in their inventory and assess exposure.

Technical summary

The vulnerability affects the function file_exists in the file Public/Home/js/uploadify/check-exists.php of the Uploadify component in light0011 cms. The manipulation of the argument filename results in file and directory information exposure. This issue allows remote attackers to gather information about the system, potentially aiding in further exploitation. Defenders should prioritize verifying the vulnerability in their inventory and assessing exposure, as the exploit is public and may be used. The affected product deployments should be identified, and owners assigned for follow-up.

Defensive priority

Defenders should prioritize verifying the vulnerability in their inventory and assessing exposure, as the exploit is public and may be used.

Recommended defensive actions

  • Verify the vulnerability in your inventory
  • Assess exposure of the Uploadify component
  • Restrict access to the check-exists.php file
  • Monitor for potential exploitation attempts
  • Apply vendor patches or updates
  • Review compensating controls for exposed systems
  • Track exceptions and retest remediated assets

Evidence notes

The vulnerability was detected in light0011 cms versions c774dce31c6df0055568a8d5c53d964d99be199d and f72cf46f601efb2a0618c3814cc2f61380b38930. The function file_exists in the file Public/Home/js/uploadify/check-exists.php is affected.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-112027 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-112027

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

  • CVE-2026-112027 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-112027

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

Supplemental references

  • light0011 cms Uploadify check-exists.php file_exists file information disclosure

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/112xxx/CVE-2026-112027.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/421675

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/421675/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-112027

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/1008072

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/light0011/cms/issues/15

    Supplemental source - exploit, issue-tracking

  • Source reference

    Unverified legacy reference

    URL: https://github.com/light0011/cms/

    Supplemental source - product

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.