CVE-2025-32793: In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters

CVE-2025-32793 · Severity: low · CVSS 3.1 · Published 2025-04-22

In Cilium, packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters in github.com/cilium/cilium

Technologies: github.com/cilium/cilium (Go). Vendors: Go.

Quick answers

Is CVE-2025-32793 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-32793 being exploited in the wild.
How severe is CVE-2025-32793?
Low severity, with a CVSS score of 3.1, published 22 April 2025.
Which products and versions are affected?
github.com/cilium/cilium (Go) SEMVER:introduced=1.13.0,fixed=1.15.16, SEMVER:introduced=1.13.0,fixed=1.15.16,introduced=1.16.0,fixed=1.16.9,introduced=1.17.0,fixed=1.17.3.
Is there a fix for CVE-2025-32793?
Yes. github.com/cilium/cilium (Go): upgrade to 1.15.16, 1.17.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-32793?
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 1.15.16, 1.17.3 or later
    go get github.com/cilium/cilium@v1.17.3

Affected products

  • github.com/cilium/cilium (Go) SEMVER:introduced=1.13.0,fixed=1.15.16, SEMVER:introduced=1.13.0,fixed=1.15.16,introduced=1.16.0,fixed=1.16.9,introduced=1.17.0,fixed=1.17.3

Identifiers

  • CVE-2025-32793
  • GHSA-5vxx-c285-pcq4
  • GO-2025-3635

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