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CVE-2026-1933

Samba: missing access check on reparse point operations

CVSS 3.1 7.1 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-1933

Published

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.

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Affected versions, risk and source history

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Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-1933 · CVE overview and exploitation status

cve-program · CVE-2026-1933

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Sources read 15 Nov 00:38 UTC · 256 of 275 readable · 254 fully read · documentation 469/469 current

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