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PatchSiren cyber security CVE debrief

CVE-2026-53475 Red Hat CVE debrief

CVE-2026-53475 is a critical vulnerability in assisted-migration-agent, with a CVSS score of 9.3. The application hardcodes insecure TLS connections when communicating with vCenter, allowing a Man-in-the-Middle (MITM) attacker to intercept and harvest vCenter administrator credentials. This can lead to unauthorized access to vCenter.

Vendor
Red Hat
Product
assisted-migration-agent
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-16
Advisory published
2026-06-10
Advisory updated
2026-06-16

Who should care

Administrators and users of assisted-migration-agent and vCenter should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The application hardcodes insecure Transport Layer Security (TLS) connections when communicating with vCenter. This vulnerability allows a Man-in-the-Middle (MITM) attacker to intercept and harvest vCenter administrator credentials.

Defensive priority

high

Recommended defensive actions

  • Apply patches or updates to assisted-migration-agent to fix the hardcoded insecure TLS connections.
  • Use secure TLS connections when communicating with vCenter.
  • Monitor for suspicious activity and implement additional security measures to prevent unauthorized access.

Evidence notes

The vendor is listed as Unknown Vendor, but evidence suggests a connection to Redhat.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53475 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53475

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

  • CVE-2026-53475 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53475

    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.