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CVE-2026-76654Published

Subpath symlinking on Windows nodes permits NTLM coercion

Exact source revision recorded 26 Oct 2026 23:35:30 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-76654

Published

An NTLM coercion vulnerability exists on Windows nodes when the subPath supplied in a pod's volumeMounts is set to a symbolic link that points to an attacker-controlled network share. When a kubelet resolves symlinks, it does not reject a target that resolves to a UNC path. As a result, the kubelet will transparently attempt to authenticate to the share using NTLM. This allows an attacker to obtain the NetNTLMv2 hash of the account under which the kubelet is running. An attacker could then attempt to crack the hash to retrieve the corresponding password or relay it to impersonate the node, if the node is domain-joined.

Source published
26 Oct 2026 22:29:23 UTC
Source modified
26 Oct 2026 22:29:23 UTC
Observed here
26 Oct 2026 23:35:30 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

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Sources read 1 Nov 13:03 UTC · 275 of 275 readable · 270 fully read · documentation 469/469 current

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