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CVE-2026-108336 Hitachi Vantara CVE debrief

CVE-2026-108336 debrief based on CVE Program and NVD records. The CVE record was published on 2026-10-14T21:41:40.417Z and has not been modified since then. The default self-signed certificate in Remot Ops Agent is used to sign JWT access tokens, allowing an attacker to gain administrative access to the application by signing JWT access tokens and bypassing login. Defenders responsible for Remot Ops Agent deployments should assess exposure and prioritize verification of versions and remediation if necessary.

Vendor
Hitachi Vantara
Product
Remot Ops Agent
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-16
Advisory published
2026-10-14
Advisory updated
2026-10-16

Who should care

Defenders responsible for Remot Ops Agent deployments should assess exposure and prioritize verification of versions and remediation if necessary. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify versions, prioritize remediation, and implement compensating controls if necessary.

Why it matters

CVE-2026-108336 allows unauthenticated administrative access to Remot Ops Agent when using the default self-signed certificate. Defenders should verify versions, prioritize remediation, and implement compensating controls if necessary.

  • Potential unauthorized administrative access to the application
  • Possible configuration changes or log collection requests

Technical summary

The default self-signed certificate in Remot Ops Agent is used to sign JWT access tokens. An attacker could gain administrative access to the application by signing JWT access tokens and bypassing login. This vulnerability allows unauthenticated administrative access to Remot Ops Agent when using the default self-signed certificate. Defenders should verify versions, prioritize remediation, and implement compensating controls if necessary. The vulnerability affects Remot Ops Agent deployments, and defenders should assess exposure and prioritize verification of versions and remediation if necessary.

Defensive priority

Defenders should prioritize verification of Remot Ops Agent versions and upgrade to unaffected versions if necessary.

Recommended defensive actions

  • Verify Remot Ops Agent version and upgrade to unaffected versions if necessary
  • Review and update device credentials and customer data security measures
  • Monitor for suspicious activity and implement compensating controls if necessary
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE Program record and NVD vulnerability detail page provide information on the vulnerability, but do not specify which versions are affected or provide remediation steps. The source item providing additional information on the vulnerability does not provide further details on affected versions or remediation. Defenders should verify versions, prioritize remediation, and implement compensating controls if necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108336 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108336

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

  • CVE-2026-108336 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108336

    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.