The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1791834762 advisory.

  - A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with     timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment     variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local     user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25     hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the     intended time window. Authentication is not bypassed; only the time-based authorization check is affected.
    (CVE-2026-96512)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1190 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-96512:
    A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with     timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment     variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local     user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25     hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the     intended time window. Authentication is not bypassed; only the time-based authorization check is affected.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:92325 advisory.

    The sudo packages contain the sudo utility which allows system administrators to provide certain users     with the permission to execute privileged commands, which are used for system management purposes, without     having to log in as root.

    Security Fix(es):

    * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization     (CVE-2026-96512)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:92349 advisory.

    The sudo packages contain the sudo utility which allows system administrators to provide certain users     with the permission to execute privileged commands, which are used for system management purposes, without     having to log in as root.

    Security Fix(es):

    * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization     (CVE-2026-96512)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1793183073 advisory.

  - A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with     timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment     variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local     user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25     hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the     intended time window. Authentication is not bypassed; only the time-based authorization check is affected.
    (CVE-2026-96512)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:75580 advisory.

    The sudo packages contain the sudo utility which allows system administrators to provide certain users     with the permission to execute privileged commands, which are used for system management purposes, without     having to log in as root.

    Security Fix(es):

    * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization     (CVE-2026-96512)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:75580 advisory.

    * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization     (CVE-2026-96512)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-2026_75579 advisory.

    * sudo: sudo: TZ environment variable allows bypass of NOTBEFORE/NOTAFTER time-based authorization     (CVE-2026-96512)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1791564552 advisory.

  - A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with     timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment     variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local     user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25     hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the     intended time window. Authentication is not bypassed; only the time-based authorization check is affected.
    (CVE-2026-96512)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with     timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment     variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local     user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25     hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the     intended time window. Authentication is not bypassed; only the time-based authorization check is affected.
    (CVE-2026-96512)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
368042	AlmaLinux 9.2 [TuxCare] Security Update: sudo / sudo-devel / sudo-python-plugin (ALMALINUX9.2:CLSA-2026:1791834762)	Nessus	Alma Linux Local Security Checks	2026/10/20	2026/10/20	high
372238	TencentOS Server 4: sudo (TSSA-2026:1190)	Nessus	Tencent Local Security Checks	2026/10/27	2026/10/27	high
373687	RHEL 8 : sudo (RHSA-2026:92325)	Nessus	Red Hat Local Security Checks	2026/10/29	2026/10/29	high
373841	RHEL 8 : sudo (RHSA-2026:92349)	Nessus	Red Hat Local Security Checks	2026/10/29	2026/10/29	high
374843	CentOS Linux 7 [TuxCare] Security Update: sudo / sudo-devel (CENTOS7:CLSA-2026:1793183073)	Nessus	CentOS Local Security Checks	2026/11/1	2026/11/1	high
362920	RHEL 8 : sudo (RHSA-2026:75580)	Nessus	Red Hat Local Security Checks	2026/10/5	2026/10/5	high
363157	AlmaLinux 8 : sudo (ALSA-2026:75580)	Nessus	Alma Linux Local Security Checks	2026/10/6	2026/10/6	high
363833	Rocky Linux 10.2 [CIQ] Security Update: sudo / sudo-debuginfo / sudo-debugsource / sudo-python-plugin / etc (crlsa-2026_75579)	Nessus	Rocky Linux Local Security Checks	2026/10/7	2026/10/7	high
364497	CentOS Linux 8.4 [TuxCare] Security Update: sudo / sudo-devel (CENTOS8.4:CLSA-2026:1791564552)	Nessus	CentOS Local Security Checks	2026/10/9	2026/10/9	high
349501	Linux Distros Unpatched Vulnerability : CVE-2026-96512	Nessus	Misc.	2026/9/23	2026/10/29	high

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