CVE-2026-59272

A flaw was found in the Log4j2 AMQP Appender. When configured to ship logs to RabbitMQ over Transport Layer Security TLS, the appender disables hostname verification by default. This misconfiguration allows a remote attacker to perform a man-in-the-middle MITM attack, intercepting sensitive log...

CVE-2022-23779

CVE-2022-23779 CVE-2022-23779 is a security vulnerability in Zoho ManageEngine Desktop Central It is classified as an information disclosure issue CWE-200 where the software leaks internal server information to unauthorized users. Versions before 10.1.2137.8 are affected ::Medium severity...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

advisories

Sobre mí Twitter: @justinsteven Blog: https://www.justinsteven.com/ Avisos de seguridad Listados en orden cronológico inverso. Haz clic en cualquier título para leer el aviso completo. Gartner Peer Insights Widget postMessage DOM XSS Fecha de divulgación: 2023-02-03 El Gartner Peer Insights Widge...

EUVD-2026-64763

fast-uri vulnerable to server-side request forgery via repeated hostname percent-decoding...

GHSA-FPH4-WMHF-6FWF fast-uri vulnerable to server-side request forgery via repeated hostname percent-decoding

Impact fast-uri decodes a hostname's percent escapes twice in a single normalize or resolve call: once during parsing and again during authority recomposition. A nested percent-encoded host therefore survives the first decode and is turned into a live destination by the second, so...

resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

A flaw was found in the resolv gem. This vulnerability arises from the incorrect handling of DNS label lengths during message encoding. A remote attacker could exploit this by providing a specially crafted hostname to an application utilizing the resolv gem. This could lead to the bypass of...

cve-2026-59891-control-lab

CVE-2026-59891 Regression & Control Lab An isolated hands-on lab and read-only audit project that compares the actual vulnerable and fixed versions of @sigstore/oci with the same input and checks environment-specific exposure conditions. The CVE Reporter for this project is gyubin02...

poc-proxycommand-vulnerable

RCE mediante /.ssh/config inseguro El uso de tokens como %h, %p en ProxyCommand es bastante popular para utilizar túneles y proxy de conexión mediante SSH. Configuración vulnerable root@kitploit: host .example.com ProxyCommand /usr/bin/nc -X connect -x 192.0.2.0:8080 %h %p Nota: en mi evaluación...

EUVD-2026-69711

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84642

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84642

CVE-2026-84642 affects Mozilla Thunderbird , where the mail.allowed_attachment_hostnames advanced config setting values were inserted into a regular expression without escaping . For certain valid hostnames, this regex injection allowed unintended hostnames to match , enabling remote attachments ...

CVE-2026-84642 Allowed UNC hostnames for attachments interpreted as a regular expression

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

EUVD-2026-69031

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194 LibreNMS 23.10.0 before 26.4.0 OS Command Injection via Hostname

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

CVE-2026-84194

LibreNMS versions >= 23.10.0 and

CVE-2026-84194 LibreNMS 23.10.0 before 26.4.0 OS Command Injection via Hostname

LibreNMS versions = 23.10.0 and getDevice-hostname is concatenated into shell commands ssh, virsh list/dumpxml/domstate in VminfoLibvirt.php and passed to exec without escapeshellarg or argument separation. An authenticated admin can set a crafted device hostname to inject arbitrary OS commands,...

PT-2026-84528

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 153.2 Thunderbird versions prior to 155 Description The mail.allowed attachment hostnames advanced configuration setting is used in a regular expression without proper escaping. This flaw allows certain unintended...

AZL-98562 CVE-2026-19953 affecting package perl-URI 5.21-2

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...