CVE-2026-41520Disclosure(cilium / cilium)

LOWCVSS 4.4 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3.

cilium CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj

Other references

Weakness type (CWE)

CWE-200CWE-312

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

cilium

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Affected systems

Vendors

cilium

Products

cilium

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

CVE@CVEnew154d
General
CVE-2026-41520 Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool… https://www.cve.org/CVERecord?id=CVE-2026-41520
Post summary
The snippet offers a terse reference to CVE-2026-41520 but lacks concrete technical details, PoC, exploit code, or evidence of active exploitation. It appears to be a brief, general mention rather than a disclosure or actionable advisory.
0000097
57.5K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds155d
Disclosure
CVE-2026-41520 Sensitive Data Exposure in Cilium-Bugtool With WireGuard Encryption Enabled https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-41520
Post summary
A new vulnerability, CVE-2026-41520, has been disclosed for Cilium-Bugtool when WireGuard encryption is enabled, indicating a potential sensitive data exposure.
0000072
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	cilium	cilium	-	-	-

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