Tornado before 6.4.1 ignores duplicate Transfer-Encoding: chunked headers, treating requests as having no message body and parsing the chunked body as a subsequent request. Attackers can exploit this inconsistency when Tornado is deployed behind proxies to perform HTTP request smuggling, enabling access control bypass, cache poisoning, or connection desynchronization.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:84798 advisory.

    * python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields (CVE-2026-82397)
      * python-tornado: Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding (CVE-2024-14029)

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

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:84844 advisory.

    The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

    Security Fix(es):

    * python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields (CVE-2026-82397)

    * python-tornado: Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding (CVE-2024-14029)

    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 these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:84843 advisory.

    The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

    Security Fix(es):

    * python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields (CVE-2026-82397)

    * python-tornado: Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding (CVE-2024-14029)

    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 these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:84798 advisory.

    The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

    Security Fix(es):

    * python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields (CVE-2026-82397)

    * python-tornado: Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding (CVE-2024-14029)

    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 these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:85135 advisory.

    The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

    Security Fix(es):

    * python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields (CVE-2026-82397)

    * python-tornado: Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding (CVE-2024-14029)

    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 these issues 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.

  - Tornado before 6.4.1 ignores duplicate Transfer-Encoding: chunked headers, treating requests as having no     message body and parsing the chunked body as a subsequent request. Attackers can exploit this     inconsistency when Tornado is deployed behind proxies to perform HTTP request smuggling, enabling access     control bypass, cache poisoning, or connection desynchronization. (CVE-2024-14029)

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

ID	Name	Product	Family	Type	Severity
367390	AlmaLinux 8 : pcs (ALSA-2026:84798)	Nessus	Alma Linux Local Security Checks	Local	critical
367287	RHEL 8 : pcs (RHSA-2026:84844)	Nessus	Red Hat Local Security Checks	Local	critical
367286	RHEL 8 : pcs (RHSA-2026:84843)	Nessus	Red Hat Local Security Checks	Local	critical
367279	RHEL 8 : pcs (RHSA-2026:84798)	Nessus	Red Hat Local Security Checks	Local	critical
367271	RHEL 8 : pcs (RHSA-2026:85135)	Nessus	Red Hat Local Security Checks	Local	critical
346309	Linux Distros Unpatched Vulnerability : CVE-2024-14029	Nessus	Misc.	Local	critical

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CVE-2024-14029

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