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CVE-2026-1933— Samba 访问控制错误漏洞

CVSS 7.1 · High EPSS 0.86% · P55

影响版本矩阵 17

厂商产品版本范围状态
Red HatRed Hat Enterprise Linux 100:4.23.5-109.el10_2< *unaffected
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support0:4.21.3-114.el10_0.1< *unaffected
Red HatRed Hat Enterprise Linux 6全部unknown
全部unknown
Red HatRed Hat Enterprise Linux 7全部affected
Red HatRed Hat Enterprise Linux 80:4.19.4-16.el8_10< *unaffected
0:4.19.4-16.el8_10< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support0:4.15.5-16.el8_6.1< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On0:4.15.5-16.el8_6.1< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service0:4.17.5-7.el8_8.1< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions0:4.17.5-7.el8_8.1< *unaffected
Red HatRed Hat Enterprise Linux 90:4.23.5-10.el9_8< *unaffected
0:4.23.5-10.el9_8< *unaffected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions0:4.17.5-105.el9_2.5< *unaffected
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions0:4.19.4-105.el9_4.4< *unaffected
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support0:4.21.3-14.el9_6.1< *unaffected
Red HatRed Hat OpenShift Container Platform 4.194.19.9.6.202606241344-0< *unaffected
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一、 漏洞 CVE-2026-1933 基础信息

漏洞信息
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Vulnerability Title
Samba: missing access check on reparse point operations
来源: CVE Program / CVE List V5
Vulnerability Description
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.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Samba 访问控制错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Samba是Samba开源的一个适用于 Linux 和 Unix 的标准 Windows 互操作性程序套件。 Samba存在访问控制错误漏洞，该漏洞源于处理NTFS风格重解析点时缺少SMB层访问检查，可能导致经过身份验证的用户在只读导出上创建或删除重解析点元数据，包括将文件转换为符号链接或其他重解析点类型。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商产品影响版本CPE订阅
Red HatRed Hat Enterprise Linux 10 0:4.23.5-109.el10_2 ~ * cpe:/o:redhat:enterprise_linux:10.2
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support 0:4.21.3-114.el10_0.1 ~ * cpe:/o:redhat:enterprise_linux_eus:10.0
Red HatRed Hat Enterprise Linux 8 0:4.19.4-16.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8 0:4.19.4-16.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:4.15.5-16.el8_6.1 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:4.15.5-16.el8_6.1 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:4.17.5-7.el8_8.1 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:4.17.5-7.el8_8.1 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 9 0:4.23.5-10.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:4.23.5-10.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:4.17.5-105.el9_2.5 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:4.19.4-105.el9_4.4 ~ * cpe:/a:redhat:rhel_e4s:9.4::appstream
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support 0:4.21.3-14.el9_6.1 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red HatRed Hat OpenShift Container Platform 4.19 4.19.9.6.202606241344-0 ~ * cpe:/a:redhat:openshift:4.19::el9
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7

二、漏洞 CVE-2026-1933 的公开POC

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三、漏洞 CVE-2026-1933 的情报信息

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CVE-2026-1933 补丁与修复 (1)

CVE-2026-1933 厂商安全公告 (5)

CVE-2026-1933 其他参考 (6)

同批安全公告 · Red Hat · 2026-05-27 · 共 5 条

CVE-2026-30128.0 HIGHSamba 数据伪造问题漏洞
CVE-2026-97046.8 MEDIUMKeycloak 安全漏洞
CVE-2026-23406.5 MEDIUMSamba 安全漏洞
CVE-2026-96894.2 MEDIUMKeycloak 安全漏洞

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-284

V. Comments for CVE-2026-1933

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