CVE-2026-55767

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-2026-55767

Summary: Guzzle 7.x before 7.12.1 is vulnerable to cookie domain handling flaws in CookieJar. dot-only Domain attributes (e.g., Domain=., Domain=.., or whitespace-padded variants) are normalized to an empty domain, and the code path that rejects only an empty domain still allows it to match any h...

CVE-2026-55767

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-2026-55767 Guzzle: Dot-Only Cookie Domains Match All Hosts in guzzlehttp/guzzle

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...

EUVD-2026-38457

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-2026-56425

The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...

CVE-2026-56425

CVE-2026-56425 affects the AAD authentication plugin for MISP (OAuth 2.0). The vulnerability stems from using session_id() as the OAuth state parameter, lack of session rotation after login, no dedicated nonce for the state, and not enforcing HTTPS for the redirect URI. Additional issue: OAuth er...

CVE-2026-56425 MISP AAD authentication plugin - Improper OAuth State Handling, Missing Session Rotation, Insecure Redirect URI Validation, and Log Injection

The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...

CVE-2026-12581

EasyFlow .NET developed by Digiwin has a Session Fixation vulnerability. If unauthenticated remote attackers replace a specific session ID for a user, they can gain the user's privilege once the user logs in...

EUVD-2026-38223

EasyFlow .NET developed by Digiwin has a Session Fixation vulnerability. If unauthenticated remote attackers replace a specific session ID for a user, they can gain the user's privilege once the user logs in...

CVE-2026-12581 Digiwin｜EasyFlow .NET - Session Fixation

EasyFlow .NET developed by Digiwin has a Session Fixation vulnerability. If unauthenticated remote attackers replace a specific session ID for a user, they can gain the user's privilege once the user logs in...

CVE-2026-12581

CVE-2026-12581 affects EasyFlow .NET (Digiwin). A session-fixation vulnerability allows unauthenticated remote attackers to replace a specific session ID for a user; once the user logs in, the attacker can gain the user’s privilege. Exploitation details are not provided in the available documents...

GHSA-CWXW-98QJ-8QJX guzzlehttp/guzzle: Dot-Only Cookie Domains Match All Hosts

Impact CookieJar incorrectly accepts cookies with a dot-only Domain attribute, such as Domain=., Domain=.., Domain=..., and whitespace-padded variants such as Domain= . . In affected versions, SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the...

guzzlehttp/guzzle: Dot-Only Cookie Domains Match All Hosts

Impact CookieJar incorrectly accepts cookies with a dot-only Domain attribute, such as Domain=., Domain=.., Domain=..., and whitespace-padded variants such as Domain= . . In affected versions, SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the...

CVE-2026-9679

A flaw was found in undici. The cookie parser in the parseSetCookie function incorrectly decodes cookie values, which is contrary to standard specifications. This vulnerability allows an attacker-controlled upstream to inject arbitrary HTTP response headers, such as Set-Cookie, Location, or...

CVE-2026-9507

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier OSTSESSID active after a successful login. The issue lies in the fact that the application does not invalidate the...

CVE-2026-9507 Session fixation vulnerability in Enhancesoft's osTicket

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier OSTSESSID active after a successful login. The issue lies in the fact that the application does not invalidate the...

EUVD-2026-37079

A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier OSTSESSID active after a successful login. The issue lies in the fact that the application does not invalidate the...

CVE-2026-9507

CVE-2026-9507 affects osTicket v1.18.2. A session fixation flaw arises because the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context (OSTSESSID). As a result, an attacker could set a known session ID in the victim’s browser an...

CVE-2009-10007

Catalyst::Plugin::Authentication versions before 0.10027 for Perl is susceptible to session fixation attacks. Catalyst::Plugin::Authentication does not automatically change the session id after authentication. An attacker that obtains a session id cookie can use this to impersonate the victim...