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CVE-2026-82918 Keyence Corporation CVE debrief

CVE-2026-82918 is a medium-severity vulnerability in XG VisionTerminal and XG-X VisionTerminal provided by Keyence Corporation. The vulnerability improperly restricts XML external entity references, which could allow sensitive information disclosure if a user opens a specially crafted setting file. Defenders responsible for these installations should assess exposure and prioritize verification and updates to prevent potential sensitive information disclosure. This vulnerability has been publicly disclosed and defenders should review the CVE record and NVD entry for additional details.

Vendor
Keyence Corporation
Product
XG-X VisionTerminal
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-03
Original CVE updated
2026-10-14
Advisory published
2026-09-03
Advisory updated
2026-10-14

Who should care

Defenders responsible for Keyence Corporation's XG VisionTerminal and XG-X VisionTerminal installations should assess exposure and prioritize verification and updates to prevent potential sensitive information disclosure.

Why it matters

CVE-2026-82918 is a medium-severity vulnerability in Keyence Corporation's XG VisionTerminal and XG-X VisionTerminal that could allow sensitive information disclosure. Defenders should prioritize verification and updates to prevent potential data exposure.

  • Sensitive information disclosure
  • Potential data exposure through crafted setting files
  • Verification of XG VisionTerminal and XG-X VisionTerminal installations required
  • Remediation priority for affected systems

Technical summary

The vulnerability is caused by improper restriction of XML external entity references in XG VisionTerminal and XG-X VisionTerminal. This could allow an attacker to disclose sensitive information if a user opens a specially crafted setting file. The vulnerability has a CVSS score of 6.7 and a severity of MEDIUM. Defenders should prioritize verifying and updating XG VisionTerminal and XG-X VisionTerminal installations to prevent potential sensitive information disclosure. The official CVE Program record and NVD detail page provide additional details on the vulnerability.

Defensive priority

Defenders should prioritize verifying and updating XG VisionTerminal and XG-X VisionTerminal installations to prevent potential sensitive information disclosure.

Recommended defensive actions

  • Verify and update XG VisionTerminal and XG-X VisionTerminal installations to the latest version
  • Restrict access to setting files to prevent unauthorized access
  • Monitor system logs for potential sensitive information disclosure
  • 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 whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions, exploitation, and remediation is limited. Defenders should verify the vulnerability details and review the official advisory for guidance on affected scope, severity, and vendor guidance. The CVE Program record and NVD detail page provide source-provided CVE metadata and official vulnerability assessment. However, the current information may not be exhaustive, and defenders should be cautious when evaluating the risk. To

Sources and references

Verified primary and authoritative sources

  • CVE-2026-82918 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-82918

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

  • CVE-2026-82918 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-82918

    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.