Is github.com/cilium/cilium affected by CVE-2026-41520?

Go github.com/cilium/cilium is affected in =1.18.0 =1.19.0 <1.19.3.

Is CVE-2026-41520 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

high

CVE-2026-41520

Q: Is CVE-2026-41520 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

Go · github.com/cilium/cilium

Summary

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

Severity: high
EPSS: 0.1% (p0)
Also known as: GHSA-gj49-89wh-h4gj, BIT-cilium-2026-41520, BIT-cilium-operator-2026-41520, BIT-hubble-relay-2026-41520
Published: 2026-04-25

References

https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj
https://nvd.nist.gov/vuln/detail/CVE-2026-41520
https://github.com/cilium/cilium

Related advisories

CVE-2026-33726 — medium · Go/github.com/cilium/cilium
CVE-2026-26963 — medium · Go/github.com/cilium/cilium
CVE-2025-64715 — medium · Go/github.com/cilium/cilium

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.