CVE-2026-56762 Hono - Missing Cookie Name Validation in setCookie()

Hono before 4.12.12 does not validate cookie names on the write path in the setCookie, serialize, and serializeSigned functions, allowing invalid characters such as control characters e.g. \r or \n when an application passes a user-controlled cookie name. This can produce malformed Set-Cookie...

CVE-2026-56762

Hono CVE-2026-56762 affects Hono before 4.12.12, where cookie-name validation is missing on the write path in setCookie(), serialize(), and serializeSigned(). This allows invalid characters (e.g., control chars like \r/\n) in user-controlled cookie names, producing malformed Set-Cookie header val...

CVE-2026-56762 Hono - Missing Cookie Name Validation in setCookie()

Hono before 4.12.12 does not validate cookie names on the write path in the setCookie, serialize, and serializeSigned functions, allowing invalid characters such as control characters e.g. \r or \n when an application passes a user-controlled cookie name. This can produce malformed Set-Cookie...

CVE-2026-56762 Hono - Missing Cookie Name Validation in setCookie()

Hono before 4.12.12 does not validate cookie names on the write path in the setCookie, serialize, and serializeSigned functions, allowing invalid characters such as control characters e.g. \r or \n when an application passes a user-controlled cookie name. This can produce malformed Set-Cookie...

CVE-2026-56762

Hono before 4.12.12 does not validate cookie names on the write path in the setCookie, serialize, and serializeSigned functions, allowing invalid characters such as control characters e.g. \r or \n when an application passes a user-controlled cookie name. This can produce malformed Set-Cookie...

CVE-2026-55767: Origin Validation Error

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, CookieJar incorrectly accepts cookies with a dot-only Domain attribute and whitespace-padded variants. SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the empty string; SetCookie::valida...

CVE-2026-56762: Improper Input Validation

Hono before 4.12.12 does not validate cookie names on the write path in the setCookie, serialize, and serializeSigned functions, allowing invalid characters such as control characters e.g. \r or \n when an application passes a user-controlled cookie name. This can produce malformed Set-Cookie...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the SetCookie::validate function due to the improper normalization of Domain attribute for shared CookieJar instances. An attacker can access resources or data from a different origin by setting a shared cooki...

CVE-2026-39963

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the serendipitysetCookie function in include/functionsconfig.inc.php uses $SERVER'HTTPHOST' without validation as the domain parameter of setcookie. An attacker who can influence the Host header at login time, such as vi...

CVE-2026-47069 CRLF injection in cookie domain/path options in hackney

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the domain and...

CVE-2026-39963: Reliance on Cookies without Validation and Integrity Checking

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the serendipitysetCookie function in include/functionsconfig.inc.php uses $SERVER'HTTPHOST' without validation as the domain parameter of setcookie. An attacker who can influence the Host header at login time, such as vi...

CVE-2026-39963

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the serendipitysetCookie function in include/functionsconfig.inc.php uses $SERVER'HTTPHOST' without validation as the domain parameter of setcookie. An attacker who can influence the Host header at login time, such as vi...

HTTP Response Splitting

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the setCookie function. An attacker can cause runtime errors and potentially disrupt application behavior by supplying specially crafted input as the cookie...

GHSA-26PP-8WGV-HJVM Hono missing validation of cookie name on write path in setCookie()

Summary Cookie names are not validated on the write path when using setCookie, serialize, or serializeSigned to generate Set-Cookie headers. While certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters. This results in inconsistent...

Hono missing validation of cookie name on write path in setCookie()

Summary Cookie names are not validated on the write path when using setCookie, serialize, or serializeSigned to generate Set-Cookie headers. While certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters. This results in inconsistent...

HTTP Response Splitting

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the setCookie function. An attacker can cause runtime errors and potentially disrupt application behavior by supplying specially crafted input ...

CRLF Injection

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to CRLF Injection via the setCookie utility. An attacker can inject unauthorized cookie attributes by supplying specially crafted input containing semicolons, carriage return...

CRLF Injection

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to CRLF Injection via the setCookie utility. An attacker can inject unauthorized cookie attributes by supplying specially crafted input containing semicolons, carriage returns, or newline...

CVE-2026-29086

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, the setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie...

CVE-2026-29086 Hono: Cookie Attribute Injection via Unsanitized domain and path in setCookie()

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, the setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie...