SecAlerts
C

Cilium

Security Risk Profile

48
/100
medium

Security Risk Score

Comprehensive risk assessment based on 40 vulnerabilities, EPSS scores, exploitation status, and remediation availability.

📅 Data spans from May 20, 2022 to present

40
Total CVEs
16
Critical+High
0
Exploited
4
Unpatched

Threat Assessment

Avg CVSS
6.5
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
4
Critical/High
Risk Level
48/100
medium

Severity Distribution

Critical
3
High
13
Medium
20
Low
2

Exploit Likelihood

>50% chance
0
20-50%
0
5-20%
0
<5%
13

Age Distribution

Common Weaknesses (CWE)

1
Infoleak
5
2
Race Condition
2
3
Integer Overflow
1
4
Weak Encryption
1

Most Affected Products

1. Cilium Cilium96
2. go/github.com/cilium/cilium70
3. ubuntu/linux-realtime5
4. ubuntu/linux-azure4
5. ubuntu/linux-gcp4

Recent Vulnerabilities

See more →
CVE-2026-56743
CVSS 5.4medium

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Jul 15, 2026
CVE-2026-56742
CVSS 8.9high

Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces

Jul 15, 2026
https://seclists.org/oss-sec/2026/q3/88
unknown

[CVE quest] Cilium ClusterNetworkPolicy matchExpssions Values silently dropped — 0-day in v1.20.0-pleases, no maintainer sponse in 9 days via GHSA Triage

Jul 7, 2026🔧 No Patch
https://seclists.org/oss-sec/2026/q3/85
unknown

[CVE quest] Cilium ClusterNetworkPolicy matchExpssions Values silently dropped — 0-day in v1.20.0-pleases, no maintainer sponse in 9 days via GHSA Triage

Jul 7, 2026🔧 No Patch
CVE-2026-49445
CVSS 9.2critical

Cilium: Sensitive information disclosure and cluster disruption via local Envoy admin socket access

Jul 6, 2026
CVE-2026-10722
CVSS 1.9low

cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow

Jun 3, 2026🔧 No Patch
CVE-2026-41520
CVSS 7.9high

Cillium exposes sensitive information included in the cilium-bugtool debug archive

Apr 25, 2026
CVE-2026-33726
CVSS 5.4EPSS 0%medium

Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic

Mar 26, 2026
CVE-2026-26963
CVSS 6.1EPSS 0%medium

Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled

Feb 19, 2026
CVE-2025-64715
CVSS 5.5medium

Cilium with misconfigured toGroups in policies can lead to unrestricted egress traffic

Nov 29, 2025

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