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PatchSiren cyber security CVE debrief

CVE-2026-120185 ken678 CVE debrief

A security flaw has been discovered in ken678 YznCMS up to 2.2.0. The affected element is the function Backend of the file app/admin/controller/auth/Group.php of the component Auth Group Handler. Performing a manipulation results in improper privilege management. The attack can be initiated remotely. Upgrading to version 2.2.1 is sufficient to fix this issue. The patch is named ed16cd7f7f73e0316ffa8a148d.

Vendor
ken678
Product
YznCMS
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-31
Original CVE updated
2026-10-31
Advisory published
2026-10-31
Advisory updated
2026-10-31

Who should care

Defenders responsible for systems using ken678 YznCMS up to 2.2.0 should assess exposure and apply the patch or upgrade to version 2.2.1. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify exposure and implement mitigations to prevent exploitation of the improper privilege management vulnerability.

Why it matters

Defenders should prioritize verifying exposure of YznCMS versions up to 2.2.0 and applying the patch ed16cd7f7f73e0316ffa8a148d or upgrading to version 2.2.1 due to improper privilege management vulnerability.

  • Verify exposure of YznCMS versions up to 2.2.0
  • Apply patch ed16cd7f7f73e0316ffa8a148d or upgrade to version 2.2.1

Technical summary

The function Backend of the file app/admin/controller/auth/Group.php of the component Auth Group Handler in ken678 YznCMS up to 2.2.0 is vulnerable to improper privilege management, allowing remote attacks. This vulnerability can be addressed by upgrading to version 2.2.1 or applying the patch ed16cd7f7f73e0316ffa8a148d. Defenders should prioritize verifying exposure and applying the patch or upgrade to mitigate the vulnerability. The CVE record and NVD entry provide additional details on the vulnerability, but source detail is limited.

Defensive priority

Defenders should prioritize verifying exposure of YznCMS versions up to 2.2.0 and applying the patch ed16cd7f7f73e0316ffa8a148d or upgrading to version 2.2.1.

Recommended defensive actions

  • Verify exposure of YznCMS versions up to 2.2.0
  • Apply the patch ed16cd7f7f73e0316ffa8a148d
  • Upgrade to version 2.2.1
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets
  • Confirm whether affected product deployments exist in managed environments

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in ken678 YznCMS up to 2.2.0, but do not provide information on known affected systems or exploitation. Defenders should verify exposure and review the patch ed16cd7f7f73e0316ffa8a148d for implementation. Limited source detail is available; explicit evidence limits apply. Defensive verification tasks are recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-120185 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-120185

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

  • CVE-2026-120185 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-120185

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

Supplemental references

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.