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PatchSiren cyber security CVE debrief

CVE-2026-112026 light0011 CVE debrief

A security vulnerability has been detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. The vulnerability is related to the function sha1 of the file App/Home/Model/UserModel.class.php, which uses a weak password hash. The attack may be initiated remotely and requires a high degree of complexity. The exploitability is difficult. The project was informed of the problem early through an issue report but has not responded yet.

Vendor
light0011
Product
cms
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-18
Original CVE updated
2026-10-22
Advisory published
2026-10-18
Advisory updated
2026-10-22

Who should care

Defenders who are responsible for the security of light0011 cms systems should care about this vulnerability. They should assess the exposure of their systems and prioritize verifying the affected versions.

Why it matters

The vulnerability uses a weak password hash, which can be exploited remotely with high complexity and difficult exploitability. Defenders should prioritize verifying affected versions, assessing exposure, and implementing compensating controls.

  • Defenders need to verify the affected versions of light0011 cms and assess the exposure of their systems.
  • Defenders should implement compensating controls, such as monitoring and exception tracking, to detect potential attacks.
  • Defenders may need to upgrade to a non-affected version of light0011 cms, if available.

Technical summary

The vulnerability is related to the function sha1 of the file App/Home/Model/UserModel.class.php, which uses a weak password hash. The attack may be initiated remotely and requires a high degree of complexity. The exploitability is difficult. Defenders should prioritize verifying the affected versions of light0011 cms and assessing the exposure of their systems. They should also consider implementing compensating controls, such as monitoring and exception tracking, to detect potential attacks. The evidence for this vulnerability comes from the CVE Program record and the source item provided, which detail the affected versions of light0011 cms and the weak password hash vulnerability.

Defensive priority

Defenders should prioritize verifying the affected versions of light0011 cms and assessing the exposure of their systems. They should also consider implementing compensating controls, such as monitoring and exception tracking, to detect potential attacks.

Recommended defensive actions

  • Verify whether affected light0011 cms product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official CVE Program record or NVD detail page to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • 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.
  • Confirm CVE-2026-112026 affected product versions and assess system exposure.

Evidence notes

The evidence for this vulnerability comes from the CVE Program record and the source item provided. The CVE Program record provides official CVE metadata, while the source item provides additional details about the vulnerability, including the affected versions of light0011 cms.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-112026 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-112026

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

  • CVE-2026-112026 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-112026

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

Supplemental references

  • light0011 cms UserModel.class.php sha1 weak password hash

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/112xxx/CVE-2026-112026.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/421674

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/421674/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-112026

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/1008071

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/light0011/cms/issues/14

    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.