CVE-2026-47220

A flaw was found in Envoy. A remote attacker can exploit this vulnerability by sending a request with a missing host header when the %REQUESTEDSERVERNAMEX:Y% is used in the log format and host-related options, such as HOSTFIRST or SNIFIRST, are specified. This can lead to a crash of the Envoy...

CVE-2026-47220

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

CVE-2026-47220

The CVE describes a crash in Envoy when using %REQUESTED_SERVER_NAME(X:Y)% in log format with host-related options (e.g., HOST_FIRST, SNI_FIRST) and the specified host header is missing in the request headers. Affected versions are 1.37.0 through 1.37.5 and 1.38.3. The vulnerability arises from t...

CVE-2026-47220 Envoy: Segmentation fault when using %REQUESTED_SERVER_NAME% in log format

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

CVE-2026-47220 Envoy: Segmentation fault when using %REQUESTED_SERVER_NAME% in log format

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

CVE-2026-47220 Envoy: Segmentation fault when using %REQUESTED_SERVER_NAME% in log format

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

SUSE SLES16 Security Update : python-aiohttp (SUSE-SU-2026:22173-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22173-1 advisory. This update for python-aiohttp fixes the following issues - CVE-2026-22815: insufficient header/trailer handling can cause a denia...

PT-2026-52894

Name of the Vulnerable Software and Affected Versions Envoy versions 1.37.0 through 1.37.4 Envoy versions 1.38.0 through 1.38.2 Description Envoy can crash when the %REQUESTED SERVER NAMEX:Y% variable is used in the log format and host-related options such as HOST FIRST or SNI FIRST are specified...

GO-2026-5671 Mattermost doesn't validate the Host header when constructing response URLs for custom slash command in github.com/mattermost/mattermost-server

Mattermost doesn't validate the Host header when constructing response URLs for custom slash command in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...

CVE-2026-46611

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server glances -s, implemented in glances/server.py does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. An attacker can exploit DNS rebinding to exfiltrate the...

GO-2026-5125 Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode in github.com/dadrus/heimdall

Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode in github.com/dadrus/heimdall...

CVE-2026-46611 Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server glances -s, implemented in glances/server.py does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. An attacker can exploit DNS rebinding to exfiltrate the...

CVE-2026-46611 Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server glances -s, implemented in glances/server.py does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. An attacker can exploit DNS rebinding to exfiltrate the...

CVE-2026-46611

Glances XML-RPC server (glances/server.py) before 4.5.5 does not validate the HTTP Host header, enabling DNS rebinding attacks to exfiltrate the victim’s monitoring data. The vulnerability affects the XML-RPC backend used by glances -s (XML-RPC path /RPC2) and allows an attacker to cause the brow...

CVE-2026-55602

A flaw was found in http-proxy-middleware before 2.0.10, 3.0.6, and 4.1.0. Router proxy-table host+path matching uses unanchored substring comparison on the Host header, so a crafted Host value that superstring-matches a configured key can route requests to an unintended backend...

CVE-2026-13150

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

CVE-2026-13150 SSRF in Pentestify PDF generation endpoint via Host header

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

EUVD-2026-38735

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

CVE-2026-13150 SSRF in Pentestify PDF generation endpoint via Host header

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

CVE-2026-13150

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...