Incorrect Privilege Assignment Affecting github.com/cilium/cilium/bpf package, versions >=1.18.0 <1.18.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Feb 2026
- disclosed19 Feb 2026
- creditJulian Wiedmann
Introduced: 19 Feb 2026
CVE-2026-26963 (opens in a new tab)How to fix?
Upgrade github.com/cilium/cilium/bpf to version 1.18.6 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Privilege Assignment due to incorrect handling of network traffic permissions when certain network configurations, such as Native Routing, WireGuard, and Node Encryption, are enabled. An attacker can gain unauthorized access to network communications by sending traffic from Pods on other nodes.