CVE-2026-56866: Inconsistent Interpretation of HTTP Requests

When http.Transport sends an HTTP/1 CONNECT request with a non-empty Request.Body, it writes the body directly to the connection without framing after the request headers. If the server rejects the CONNECT request with a non-2xx keep-alive response, Transport returns the connection to the idle...

CVE-2026-94439: Inconsistent Interpretation of HTTP Requests

When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server...

CVE-2026-94439: Inconsistent Interpretation of HTTP Requests

When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server...

CVE-2026-94439: Inconsistent Interpretation of HTTP Requests

When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server...

PT-2026-108315

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An HTTP server handler improperly continues to read and serve requests from a connection after sending a 2xx response to an HTTP/1 CONNECT request without...

CLEANSTART-2026-MJ80474 client may issue specially crafted HTTP/1

Security vulnerability affects the trino package. A client may issue specially crafted HTTP/1...

CLEANSTART-2026-PR17240 Uncontrolled Resource Consumption vulnerability in the HTTP/1

Security vulnerability affects the apache-nifi package. Uncontrolled Resource Consumption vulnerability in the HTTP/1...

CLEANSTART-2026-PE66600 In Eclipse Jetty, a first HTTP/1

Security vulnerability affects the apache-nifi package. In Eclipse Jetty, a first HTTP/1...

CLEANSTART-2026-WX23354 In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present)

Security vulnerability affects the apache-nifi package. In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority host and port matches what provided in the Host header if present...

Rocky Linux 8 [CIQ] Security Update: varnish / varnish-devel / varnish-docs / varnish-modules / etc Multiple Vulnerabilities (crlsa-2020_4756)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20204756 advisory. varnish: denial of service handling certain crafted HTTP/1 requests CVE-2019-15892 varnish: remote clients may cause Varnish to assert and restart which...

AlmaLinux 9.2 [TuxCare] Security Update: varnish / varnish-devel / varnish-docs Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1763374645)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1763374645 advisory. - Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 and before 6.0.13 LTS, and Varnish Enterprise 6 before 6.0.12r6, allows credits...

Rocky Linux 8 [CIQ] Security Update: varnish / varnish-devel / varnish-docs / varnish-modules / etc (crlsa-2022_0418)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20220418 advisory. varnish: HTTP/1 request smuggling vulnerability CVE-2022-23959 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note...

Rocky Linux 9.6 [TuxCare] Security Update: libsoup / libsoup-devel / libsoup-doc (ALMALINUX9.6:CLSA-2026:1778836031)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778836031 advisory. - A request smuggling vulnerability exists in libsoup's HTTP/1 header parsing logic. The soupmessageheadersappendcommon function in...

AlmaLinux 9.6 [TuxCare] Security Update: libsoup / libsoup-devel / libsoup-doc (ALMALINUX9.6:CLSA-2026:1778836031)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778836031 advisory. - A request smuggling vulnerability exists in libsoup's HTTP/1 header parsing logic. The soupmessageheadersappendcommon function in...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

DEBIAN-CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...