Cyber Posture

CVE-2026-41520

High

Published: 08 May 2026

Published
08 May 2026
Modified
08 May 2026
KEV Added
Patch
CVSS Score 7.9 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
EPSS Score 0.0001 0.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-41520 is a high-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability. Its CVSS base score is 7.9 (High).

Operationally, ranked at the 0.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-200 CWE-312

A data action map identifies locations where sensitive information may be exposed to unauthorized actors during processing or transfer.

addresses: CWE-200 CWE-312

The media protection policy defines requirements and procedures to prevent unauthorized disclosure or access to sensitive information on media.

addresses: CWE-200 CWE-312

Encrypting or otherwise protecting data at rest directly prevents unauthorized actors from reading sensitive information stored on disk or other media.

addresses: CWE-200 CWE-312

Directly prevents exposure of critical organizational information by applying OPSEC processes across the SDLC.

addresses: CWE-200

Automated marking applies security attributes to system outputs, making it harder for attackers to exploit unmarked sensitive information leading to unauthorized exposure.

addresses: CWE-200

Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.

addresses: CWE-200

Prevents unauthorized exposure of sensitive information by prohibiting untrusted external systems from processing or storing it.

addresses: CWE-200

By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.

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…

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issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

CVEs Like This One

CVE-2026-42151Shared CWE-200, CWE-312
CVE-2026-22240Shared CWE-200, CWE-312
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CVE-2026-4020Shared CWE-200
CVE-2025-21620Shared CWE-200
CVE-2025-62188Shared CWE-200
CVE-2024-13562Shared CWE-200
CVE-2024-57716Shared CWE-200
CVE-2026-27161Shared CWE-200
CVE-2026-21260Shared CWE-200

References