CVE-2026-1933

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

History

03 Jul 2026, 13:16

Type Values Removed Values Added
References () https://access.redhat.com/errata/RHSA-2026:29863 - () https://access.redhat.com/errata/RHSA-2026:29863 -

02 Jul 2026, 20:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:29863 -

30 Jun 2026, 03:17

Type Values Removed Values Added
References
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1933.json -
References () https://access.redhat.com/errata/RHSA-2026:22644 - () https://access.redhat.com/errata/RHSA-2026:22644 -
References () https://access.redhat.com/errata/RHSA-2026:22963 - () https://access.redhat.com/errata/RHSA-2026:22963 -
References () https://access.redhat.com/errata/RHSA-2026:25049 - () https://access.redhat.com/errata/RHSA-2026:25049 -
References () https://access.redhat.com/errata/RHSA-2026:25979 - () https://access.redhat.com/errata/RHSA-2026:25979 -
References () https://access.redhat.com/errata/RHSA-2026:28053 - () https://access.redhat.com/errata/RHSA-2026:28053 -
References () https://access.redhat.com/errata/RHSA-2026:28054 - () https://access.redhat.com/errata/RHSA-2026:28054 -
References () https://access.redhat.com/errata/RHSA-2026:28055 - () https://access.redhat.com/errata/RHSA-2026:28055 -
References () https://access.redhat.com/errata/RHSA-2026:28056 - () https://access.redhat.com/errata/RHSA-2026:28056 -
References () https://access.redhat.com/errata/RHSA-2026:28057 - () https://access.redhat.com/errata/RHSA-2026:28057 -
References () https://access.redhat.com/security/cve/CVE-2026-1933 - Third Party Advisory () https://access.redhat.com/security/cve/CVE-2026-1933 - Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2447317 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2447317 - Issue Tracking, Third Party Advisory

23 Jun 2026, 08:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:28053 -

23 Jun 2026, 04:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:28054 -
  • () https://access.redhat.com/errata/RHSA-2026:28055 -
  • () https://access.redhat.com/errata/RHSA-2026:28056 -

23 Jun 2026, 02:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:28057 -

17 Jun 2026, 13:20

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:22644 -

15 Jun 2026, 22:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:25979 -

10 Jun 2026, 16:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:25049 -

04 Jun 2026, 00:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:22963 -

02 Jun 2026, 20:01

Type Values Removed Values Added
References () https://access.redhat.com/security/cve/CVE-2026-1933 - () https://access.redhat.com/security/cve/CVE-2026-1933 - Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2447317 - () https://bugzilla.redhat.com/show_bug.cgi?id=2447317 - Issue Tracking, Third Party Advisory
References () https://bugzilla.samba.org/show_bug.cgi?id=15992 - () https://bugzilla.samba.org/show_bug.cgi?id=15992 - Issue Tracking, Vendor Advisory
CWE NVD-CWE-noinfo
First Time Samba
Samba samba
Redhat
Redhat enterprise Linux
Redhat openshift Container Platform
CPE cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

27 May 2026, 14:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-27 14:16

Updated : 2026-07-15 02:18


NVD link : CVE-2026-1933

Mitre link : CVE-2026-1933

CVE.ORG link : CVE-2026-1933


JSON object : View

Products Affected

samba

  • samba

redhat

  • openshift_container_platform
  • enterprise_linux
CWE
CWE-284

Improper Access Control

NVD-CWE-noinfo