Security Bulletin:Flask Vary Cookie Header Vulnerability: Use of Cache Containing Sensitive Information Fixed in 3.1.3

Summary Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not t...

Security Bulletin: PyJWT Fails to Validate Critical (crit) Header Parameter, Allowing Token Acceptance

Summary PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of...

CVE-2026-40686

A flaw was found in Exim when UTF-8 operators are enabled. A remote attacker could exploit this by sending malformed UTF-8 header data with large trailing characters, leading to an out-of-bounds read. This vulnerability may result in information disclosure within an error message, potentially...

Weak Password Recovery Mechanism for Forgotten Password

Overview phpbb/phpbb is a Forum Software application. Affected versions of this package are vulnerable to Weak Password Recovery Mechanism for Forgotten Password via the forceservervars configuration being disabled. An attacker can cause password reset emails to contain links to attacker-controll...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

EUVD-2026-26892

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

CVE-2026-29199

CVE-2026-29199 affects phpBB prior to 3.3.16. The issue is a Host Header Injection in which, when force_server_vars is disabled, the server hostname is sourced from the HTTP Host header to build the password reset URL. An attacker who can control or influence the Host header can cause password re...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

vulnerability-research

Vulnerability Research & Responsible Disclosure Shivam Paji...

dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw

A flaw was found in the .NET runtime System.Net.Mail in how email address data is parsed. Improper neutralization of special characters, specifically carriage return and line feed CR/LF sequences, may allow specially crafted email address input to be interpreted incorrectly. An attacker could...

dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw

A flaw was found in the .NET runtime System.Net.Mail in how email address data is parsed. Improper neutralization of special characters, specifically carriage return and line feed CR/LF sequences, may allow specially crafted email address input to be interpreted incorrectly. An attacker could...

dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw

A flaw was found in the .NET runtime System.Net.Mail in how email address data is parsed. Improper neutralization of special characters, specifically carriage return and line feed CR/LF sequences, may allow specially crafted email address input to be interpreted incorrectly. An attacker could...

dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress parsing flaw

A flaw was found in the .NET runtime System.Net.Mail in how email address data is parsed. Improper neutralization of special characters, specifically carriage return and line feed CR/LF sequences, may allow specially crafted email address input to be interpreted incorrectly. An attacker could...

CVE-2026-7719

A security flaw has been discovered in Totolink WA300 5.2cu.7112B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument httphost results in buffer overflow. The attack may be launched...

Exploit for Authentication Bypass Using an Alternate Path or Channel in Frangoteam Fuxa

CVE-2025-69985: Exploit para Autenticación Bypass a RCE en FUX...

TOTOLINK WA300 缓冲区错误漏洞

TOTOLINK WA300 is a wireless access point produced by TOTOLINK, a Chinese company. The TOTOLINK WA300 5.2cu.7112B20190227 version contains a buffer overflow vulnerability. This vulnerability stems from the operation of the loginauth function in the POST Request Handler component’s file...

PT-2026-37205

Name of the Vulnerable Software and Affected Versions AzuraCast versions prior to 0.23.6 Description The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header without a trusted proxy allowlist. An unauthenticated attacker can exploit this by injecting...

PT-2026-37111

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.44 Traefik versions prior to 3.6.15 Traefik versions prior to 3.7.0-rc.3 Description An information disclosure issue exists in the errors custom error pages middleware. When a backend returns a response matching...