CVE-2025-32793: Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2…

PriorityP417medium4CVSS 3.1

AVNACHPRNUINSCCLINAN

EPSS

0.14%

3.7th percentile

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2, are vulnerable when using Wireguard transparent encryption in a Cilium cluster, packets that originate from a terminating endpoint can leave the source node without encryption due to a race condition in how traffic is processed by Cilium. This issue has been patched in versions 1.15.16, 1.16.9, and 1.17.3. There are no workarounds available for this issue.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
cilium	cilium	—	—
cilium	cilium	—	—
cilium	cilium	—	—
cilium	cilium	>= 1.13.0 < 1.15.16	1.15.16
cilium	cilium	>= 1.16.0 < 1.16.9	1.16.9
cilium	cilium	>= 1.17.0 < 1.17.3	1.17.3
github.com	cilium_cilium	>= 1.13.0 < 1.15.16	1.15.16
github.com	cilium_cilium	>= 1.16.0 < 1.16.9	1.16.9
github.com	cilium_cilium	>= 1.17.0 < 1.17.3	1.17.3

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