CVE-2026-41520
medium
CVSS v3
4.4
CVSS v4 NEW
—
VIR risk
4.4
Description
Cillium exposes sensitive information included in the cilium-bugtool debug archive
Predictions
Exploit likelihood
44%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/cilium/cilium | <1.17.15 | 1.17.15 |
| Go | github.com/cilium/cilium | >=1.18.0,<1.18.9 | 1.18.9 |
| Go | github.com/cilium/cilium | >=1.19.0,<1.19.3 | 1.19.3 |
| GO | github.com/cilium/cilium | >= 1.19.0, < 1.19.3 | 1.19.3 |
| GO | github.com/cilium/cilium | >= 1.18.0, < 1.18.9 | 1.18.9 |
| GO | github.com/cilium/cilium | < 1.17.15 | 1.17.15 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| cilium | cilium | {"endExcluding":"1.17.15"} | 1.17.15 |
References
- https://github.com/cilium/cilium/releases/tag/v1.17.15
- https://github.com/cilium/cilium/releases/tag/v1.18.9
- https://github.com/cilium/cilium/releases/tag/v1.19.3
- 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
- http://docs.cilium.io/en/stable/security/network/encryption-wireguard
- https://github.com/advisories/GHSA-gj49-89wh-h4gj
CWEs
CWE-200 CWE-312
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.