# GO-2022-0393 - Network policy may be bypassed by some ICMP Echo Requests in github.com/cilium/cilium

Source: https://junglewise.ai/threats/go-2022-0393-network-policy-may-be-bypassed-by-some-icmp-echo-requests-8a108755  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-08-21  
License: CC BY 4.0 with a link back

Severity: info · Published 2024-08-21

Network policy may be bypassed by some ICMP Echo Requests in github.com/cilium/cilium

Technologies: [github.com/cilium/cilium (Go)](https://junglewise.ai/threats/technologies/github-com-cilium-cilium). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 21 August 2024.

**Which products and versions are affected?** github.com/cilium/cilium (Go) SEMVER:introduced=1.7.8,fixed=1.7.15,introduced=1.8.3,fixed=1.8.8,introduced=1.9.0,fixed=1.9.5.

**Is there a fix for This vulnerability?** Yes. github.com/cilium/cilium (Go): upgrade to 1.9.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run github.com/cilium/cilium (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/cilium/cilium (Go): upgrade to 1.9.5 or later

  ```sh
  go get github.com/cilium/cilium@v1.9.5
  ```


## Affected products

- github.com/cilium/cilium (Go) SEMVER:introduced=1.7.8,fixed=1.7.15,introduced=1.8.3,fixed=1.8.8,introduced=1.9.0,fixed=1.9.5

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- [Cilium authorization bypass in Gateway API HTTPRoute mirroring](https://junglewise.ai/threats/cve-2026-56742-cilium-authorization-bypass-in-gateway-api-httproute-mirroring)
- [Cilium world-accessible Envoy admin socket on cluster nodes](https://junglewise.ai/threats/cve-2026-49445-cilium-world-accessible-envoy-admin-socket-on-cluster-nodes)
- [Cilium traffic hijacking via CiliumLocalRedirectPolicy addressMatcher](https://junglewise.ai/threats/cve-2026-53935-cilium-traffic-hijacking-via-ciliumlocalredirectpolicy)
- [Cilium sensitive information disclosure in cilium-bugtool](https://junglewise.ai/threats/cve-2026-41520-cilium-sensitive-information-disclosure-in-cilium-bugtool)