Server-side Request Forgery (SSRF)

Overview nu.validator:validator is an A library of string validators and sanitizers. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the improper implementation of localhost bypass protection. An attacker can cause the server to initiate arbitrary HTTP ...

Server-side Request Forgery (SSRF)

Overview vnu-jar is a Provides the Nu Html Checker «vnu.jar» file Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the improper implementation of localhost bypass protection. An attacker can cause the server to initiate arbitrary HTTP or HTTPS requests t...

Server-side Request Forgery (SSRF)

Overview html5validator is a Validate HTML5 files. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the improper implementation of localhost bypass protection. An attacker can cause the server to initiate arbitrary HTTP or HTTPS requests to internal...

CVE-2026-22917

Improper input handling in a system endpoint may allow attackers to overload resources, causing a denial of service...

DEBIAN-CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104 Nu Html Checker (validator.nu) - Restriction bypass vulnerability allowing local SSRF

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

CVE-2025-15104

Nu Html Checker (validator.nu) — SSRF via restriction bypass in vnu (latest commit 23f090a11bab8d0d4e698f1ffc197a4fe226a9cd). The issue allows remote attackers to induce the server to make arbitrary HTTP/HTTPS requests to internal resources, including localhost services. Protective hostname check...

CVE-2025-15104

Nu Html Checker validator.nu contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services. While the validator implements hostname-based protections to block direct access to localhost and...

BIT-KIBANA-2026-0530 Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana Fleet can lead to Excessive Allocation CAPEC-130 via a specially crafted request. This causes the application to perform redundant processing operations that continuously consume system resources until service degradation or...

MiracleLinux 3 : net-snmp-5.3.2.2-20.0.1.AXS3 (AXSA:2013-32:01)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2013-32:01 advisory. SNMP Simple Network Management Protocol is a protocol used for network management. The NET-SNMP project includes various SNMP tools: an extensible agent, an SN...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004380)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004380 advisory. A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstance...

The Nu Html Checker security vulnerability

The Nu Html Checker is an open-source tool developed by The Nu Html Checker vnu that verifies whether HTML documents comply with modern web standards. The Nu Html Checker has a security vulnerability, which stems from a limitation that can be bypassed. This vulnerability could allow remote...

PT-2026-3253

Name of the Vulnerable Software and Affected Versions Nu Html Checker versions prior to commit 23f090a11bab8d0d4e698f1ffc197a4fe226a9cd Description The Nu Html Checker validator.nu is susceptible to a restriction bypass that enables remote attackers to initiate arbitrary HTTP/HTTPS requests to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001462)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001462 advisory. A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstance...

MiracleLinux 4 : net-snmp-5.5-54.AXS4 (AXSA:2015-271:01)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2015-271:01 advisory. SNMP Simple Network Management Protocol is a protocol used for network management. The NET-SNMP project includes various SNMP tools: an extensible agent, an...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004156)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004156 advisory. A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstance...