CVE-2022-47633 kyverno verifyImages rule bypass possible with malicious proxy/registry
Attackers can bypass image signature validation to inject unsigned container images into Kubernetes clusters, potentially executing arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-47633?
CVE-2022-47633 is a high-severity vulnerability in n/a, published on 23 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2022-47633?
4 open source packages ship an affected version, including github.com/kyverno/kyverno and kyverno. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/kyverno/kyverno Go | From 1.8.3 | 1.8.5 |
github.com/kyverno/kyverno Go | From 1.8.3 | 1.8.5 |
github.com/kyverno/kyverno Go | From 1.8.3 | 1.8.5 |
kyverno Bitnami | From 1.8.3 to 1.8.3 | None |
Products include Kyverno Kyverno.
How do I fix CVE-2022-47633?
Upgrade github.com/kyverno/kyverno to 1.8.5 or later.
Is CVE-2022-47633 being exploited?
There is no known exploitation of CVE-2022-47633 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall
- CVE-2026-4789 CVE-2026-4789
- CVE-2025-46342 Kyverno vulnerable to bypass of policy rules that use namespace selectors in match statements
- CVE-2026-41323 Kyverno: ServiceAccount token leaked to external servers via apiCall service URL
- CVE-2026-40868 kyverno apicall servicecall implicit bearer token injection leaks kyverno serviceaccount token
Sources
Also known as BIT-kyverno-2022-47633, GHSA-m3cq-xcx9-3gvm, GO-2022-1180.