CVE-2026-84652

CVE-2026-84652 is a session fixation vulnerability in Jenkins 2.579 and earlier (LTS 2.568.2 and earlier) . When a user authenticates via the "remember me" cookie, Jenkins does not rotate the session, allowing an attacker serving content on a sibling subdomain (e.g., evil.example.org for Jenkins ...

CVE-2026-84652

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember me" cookie, allowing attackers able to serve content on the same site as Jenkins to set a known session cookie in the victim's browser, which after the victim...

EUVD-2026-70118

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated via the "remember me" cookie, allowing attackers able to serve content on the same site as Jenkins to set a known session cookie in the victim's browser, which after the victim...

PT-2026-84775

Name of the Vulnerable Software and Affected Versions Jenkins versions prior to 2.580 Jenkins LTS versions prior to 2.568.3 Description Jenkins fails to rotate the session when a user authenticates using the "remember me" cookie. This allows an attacker capable of serving content on the same site...

Session fixation vulnerability

Jenkins's "Keep me signed in" feature uses a persistent cookie, known as the "remember me" cookie, to re-authenticate users without requiring them to enter credentials again. In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, Jenkins does not rotate the session when a user is authenticated vi...

Updated perl-Catalyst-Plugin-Authentication packages fix a security vulnerability

Catalyst::Plugin::Authentication versions before 0.10027 for Perl are susceptible to session fixation attacks. CVE-2009-10007...

MGASA-2026-0351 Updated perl-Catalyst-Plugin-Authentication packages fix a security vulnerability

Catalyst::Plugin::Authentication versions before 0.10027 for Perl are susceptible to session fixation attacks. CVE-2009-10007...

BIT-KEYCLOAK-2026-18209 Keycloak-services: keycloak-services: oidc redirect_uri fragment bypass in http parameter pollution check

A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect OIDC authentication flows. The issue occurs because the security check designed to prevent HTTP parameter pollution only inspects the query portion of a redirect URL and ignores the fragment portion. Whe...

CVE-2026-18918 OAuth 1.0 session-fixation chain via unauthenticated provisional-consumer registration and insecure v1_0Allowed default

In Eclipse Lyo versions 2.0.0 to 7.0.0, OAuth server authorization checks can be bypassed when the 2-legged auth is supported by the server. In those cases, application that based their authz filters upon Lyo-provided AbstractAdapterCredentialsFilter, are vulnerable. An attacked can create a...

CVE-2026-18918 OAuth 1.0 session-fixation chain via unauthenticated provisional-consumer registration and insecure v1_0Allowed default

In Eclipse Lyo versions 2.0.0 to 7.0.0, OAuth server authorization checks can be bypassed when the 2-legged auth is supported by the server. In those cases, application that based their authz filters upon Lyo-provided AbstractAdapterCredentialsFilter, are vulnerable. An attacked can create a...

CVE-2026-18918

Eclipse Lyo versions 2.0.0 through 7.0.0 are affected by an OAuth 1.0 authorization bypass in the 2-legged authentication path. Applications relying on Lyo's AbstractAdapterCredentialsFilter are vulnerable because an unauthenticated attacker can register a provisional trusted client and immediate...

CVE-2026-18918 OAuth 1.0 session-fixation chain via unauthenticated provisional-consumer registration and insecure v1_0Allowed default

In Eclipse Lyo versions 2.0.0 to 7.0.0, OAuth server authorization checks can be bypassed when the 2-legged auth is supported by the server. In those cases, application that based their authz filters upon Lyo-provided AbstractAdapterCredentialsFilter, are vulnerable. An attacked can create a...

GHSA-M452-Q8C9-RG2F AsyncHttpClient stores cookie for an unrelated domain (cookie tossing) via ThreadSafeCookieStore

Impact A cookie tossing / cookie injection issue CWE-1275. ThreadSafeCookieStore stored a cookie under the value of its Domain attribute without verifying that the responding host is allowed to set a cookie for that domain RFC 6265 §5.3 step 6. A host the client connects to can therefore plant a...

BIT-KEYCLOAK-2026-7507 Org.keycloak/keycloak-services: session fixation in oidc login flow that can lead to account takeover

A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted link. By leveraging the /login-actions/restart endpoint—which...

BIT-KEYCLOAK-2024-7341 Wildfly-elytron: org.keycloak/keycloak-services: session fixation in elytron saml adapters

A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks the current session before authenticati...

CVE-2026-41839

CVE-2026-41839...

Security Bulletin: IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [CVE-2026-18527, CVE-2026-17203].

Summary IBM Application Runtime Expert ARE for IBM i is vulnerable to a user gaining elevated privileges due to ARE GUI component processing CVE-2026-18527 and allow an attacker to obtain sensitive information CVE-2026-17203 as described in the vulnerability details section. Vulnerability Details...

CVE-2025-15671

The Welcart e-Commerce WordPress plugin before 2.12.1 does not regenerate the session identifier on authentication and sets the session identifier from a user-supplied request parameter, allowing an unauthenticated attacker to fixate a shop member's session and take over their customer account...

CVE-2025-15671

CVE-2025-15671 affects the Welcart e-Commerce WordPress plugin prior to version 2.12.1 . The plugin does not regenerate the session identifier upon authentication and instead sets it from the user-supplied uscesid request parameter. This allows an unauthenticated attacker to fixate a shop member'...

EUVD-2025-210759

The Welcart e-Commerce WordPress plugin before 2.12.1 does not regenerate the session identifier on authentication and sets the session identifier from a user-supplied request parameter, allowing an unauthenticated attacker to fixate a shop member's session and take over their customer account...