EUVD-2026-67820

Gitingest through 0.3.1 fails to properly validate hostnames in validatehost, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and...

CVE-2026-82289 Gitingest Prefix-Based Git Host Check Enables Request Forgery and Token Disclosure

Gitingest through 0.3.1 fails to properly validate hostnames in validatehost, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and...

Security Bulletin: Vulnerability found in IBM ApplinX.

Summary IBM ApplinX has been updated in order to address the vulnerability CVE-2014-3604. Specifics of this vulnerability come under CWE-297: Improper Validation of Certificate with Host Mismatch Vulnerability Details CVEID:CVE-2014-3604 DESCRIPTION: Certificates.java in Not Yet Commons SSL befor...

PT-2026-83312

Gitingest through 0.3.1 fails to properly validate hostnames in validate host, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and...

PT-2026-82435

Name of the Vulnerable Software and Affected Versions resolv gem versions prior to 0.7.2 Description An issue exists where Resolv::DNS::MessageEncoder writes a DNS label length into a single octet without range validation. When a label exceeds 255 octets, the length is stored modulo 256 while the...

PT-2026-82434

Name of the Vulnerable Software and Affected Versions resolv gem versions prior to 0.7.2 Description An issue exists when decoding DNS responses where the functions Resolv::DNS::Resource.get class, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new cla...

CVE-2026-80213 - Hostname validation bypass

An application that checks a hostname against an allow list or an SSRF filter and then resolves it can be made to look up a domain other than the one it checked. The string that passes validation and the name that reaches the network are not the same, so the connection can end up at a host the...

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...

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...

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...

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...

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...

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...

CVE-2026-55526

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, spidertools.hostisblocked does not resolve ordinary hostnames before scrapepage fetches them. A hostname such as 127.0.0.1.nip.io passes validation and resolves to loopback, permitting internal HTTP access. The fix uses...

CVE-2026-55526

PraisonAI is a multi-agent teams system. In versions prior to praisonaiagents 1.6.58 , the function spider_tools._host_is_blocked() does not resolve ordinary hostnames before scrape_page fetches them. An attacker-supplied hostname such as 127.0.0.1.nip.io passes the validation check but resolves ...

Improper Hostname Validation

org.keycloak, keycloak-services is vulnerable to improper hostname validation. The vulnerability is due to improper validation of wildcard domain suffixes, which allows an attacker who controls the reverse DNS of their connection to bypass host-based restrictions and perform unauthorized client...

PYSEC-2026-3733

NLTK before 3.10.3 contains a server-side request forgery vulnerability in nltk.pathsec.urlopen and callers nltk.data.load, nltk.downloader.Downloader.index/download when an HTTP proxy is configured. pathsec.urlopen validates the requested hostname locally, but proxy-handler inheritance disables...

CVE-2026-78682

NLTK before 3.10.3 contains a server-side request forgery vulnerability in nltk.pathsec.urlopen and callers nltk.data.load, nltk.downloader.Downloader.index/download when an HTTP proxy is configured. pathsec.urlopen validates the requested hostname locally, but proxy-handler inheritance disables...

DEBIAN-CVE-2026-78682

NLTK before 3.10.3 contains a server-side request forgery vulnerability in nltk.pathsec.urlopen and callers nltk.data.load, nltk.downloader.Downloader.index/download when an HTTP proxy is configured. pathsec.urlopen validates the requested hostname locally, but proxy-handler inheritance disables...

CVE-2026-56708

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...