Priority MEDIUM 41
In certain conditions for Calico Typha (v3.26.2, v3.25.1 and below), and Calico Enterprise Typha (v3.17.1, v3.16.3, v3.15.3 and below), a client TLS handshake can block the Calico Typha server indefinitely, resulting in…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00892 · Published 2023-11-06 · Fixed in 3.26.3 CWE-400
Priority LOW 35
Calico's Application Layer Policy (disabled by default), which enforces HTTP rules through Dikastes, fails to perform URL path normalization.
CVSS 4.0HIGH 7.9· Network · No auth · No interaction · EPSS 0.00539 · Published 2026-07-30 · Fixed in 3.31.6, 3.21.7 +2 CWE-22
Priority LOW 31
When calicoctl is invoked with --log-level=info or --log-level=debug, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line.
CVSS 4.0HIGH 7.2· Network · Low privileges · User interaction · EPSS 0.00224 · Published 2026-05-28 · Fixed in 3.32.0, 3.21.7 +3 CWE-532
Priority LOW 31
In vulnerable versions of Calico (v3.27.2 and below), Calico Enterprise (v3.19.0-1, v3.18.1, v3.17.3 and below), and Calico Cloud (v19.2.0 and below), an attacker who has local access to the Kubernetes node, can escalate…
CVSS 3.1MEDIUM 6.7· Local · High privileges · No interaction · EPSS 0.0022 · Published 2024-04-29 · Fixed in v3.26.5, v3.27.3 +7 CWE-269
Priority LOW 29
Clusters using Calico (version 3.14.0 and below), Calico Enterprise (version 2.8.2 and below), may be vulnerable to information disclosure if IPv6 is enabled but unused.
CVSS 3.1MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00902 · Published 2020-06-03 · Fixed in 3.14.1, 3.13.4 +5 CWE-201
Priority LOW 28
Calico's apiserver wraps tier-scoped resources so that every operation runs through AuthorizeTierOperation, but the Delete override on NetworkPolicy, GlobalNetworkPolicy, and their staged variants is not invoked for Dele…
CVSS 4.0MEDIUM 6.2· Network · High privileges · No interaction · EPSS 0.00388 · Published 2026-07-30 · Fixed in 3.31.6, 3.32.1 +3 CWE-285
Priority LOW 28
When Calico's shared debug server is enabled (disabled by default), the Calico kube-controllers and Goldmane components bind their Go pprof debug listener to 0.0.0.0 without authentication.
CVSS 4.0MEDIUM 6.0· Adjacent network · No auth · No interaction · EPSS 0.00666 · Published 2026-07-30 · Fixed in 3.31.6, 3.32.1 +3 CWE-200
Priority LOW 27
When Calico is configured with the Azure IPAM plugin, the Calico CNI binary mutates the incoming CNI configuration to attach subnet information before delegating to the IPAM plugin.
CVSS 4.0MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00323 · Published 2026-05-28 · Fixed in 3.32.0, 3.21.7 +4 CWE-532
Priority LOW 27
In Calico, the install-cni init container logs the rendered CNI configuration to standard output.
CVSS 4.0MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00504 · Published 2026-05-28 · Fixed in 3.32.0, 3.31.6 +1 CWE-532
Priority LOW 26
Clusters using Calico (version 3.22.1 and below), Calico Enterprise (version 3.12.0 and below), may be vulnerable to route hijacking with the floating IP feature.
CVSS 3.1MEDIUM 5.5· Network · High privileges · No interaction · EPSS 0.00615 · Published 2022-06-06 · Fixed in 3.22.2, 3.21.5 +1 CWE-200