How severe is CVE-2026-53475?

CVE-2026-53475 has a CVSS score of 9.3/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2026-53475?

CVE-2026-53475 affects the following packages: github.com/kubev2v/assisted-migration-agent (Go). Ecosystems affected: Go.

How do I fix CVE-2026-53475?

Update github.com/kubev2v/assisted-migration-agent to 0.16.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-53475 is resolved across your whole dependency graph.

How do I detect CVE-2026-53475 in my Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/kubev2v/assisted-migration-agent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2026-53475 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2026-53475 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-53475 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was CVE-2026-53475 published, and has it been updated?

CVE-2026-53475 was published on June 10, 2026 and was last updated on August 18, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐹

🐹 Go

Not in CISA KEV

CRITICAL severity

CVE-2026-53475 — assisted-migration-agent

CRITICALFix: kubev2v/assisted-migration-agent#268

CVE-2026-53475 is a critical-severity (CVSS 9.3) vulnerability in github.com/kubev2v/assisted-migration-agent. A fix is available for github.com/kubev2v/assisted-migration-agent — see the affected versions and patch details below.

Assisted Migration Agent: Hardcoded insecure Transport Layer Security (TLS) connections during vCenter communication

Also known asGO-2026-6232

Published

Jun 10, 2026

Updated

Aug 18, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Aug 18, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐹github.com/kubev2v/assisted-migration-agent

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

A flaw was found in assisted-migration-agent. 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. This can lead to unauthorized access to vCenter.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`github.com/kubev2v/assisted-migration-agent`	all versions	0.16.0`go get github.com/kubev2v/assisted-migration-agent@v0.16.0`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/kubev2v/assisted-migration-agent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/kubev2v/assisted-migration-agent to 0.16.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-53475 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2026-53475 in your dependencies?

Find it across Go, including transitive dependencies.

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