CVE-2026-4629: Incorrect Privilege Assignment

A flaw was found in Keycloak. A highly privileged user with manage-clients permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the realm-admin role into generated tokens,...

Missing Critical Step in Authentication

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Missing Critical Step in Authentication in the JNDIRealm process when configured to authenticate binds using GSSAPI. An attacker can...

Missing Critical Step in Authentication

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Missing Critical Step in Authentication in the JNDIRealm process when configured to...

Missing Critical Step in Authentication

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Missing Critical Step in Authentication in the JNDIRealm process when configured to authenticate binds using GSSAPI. An attacker can gain unauthorized access by...

CVE-2026-55957

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1...

CVE-2026-55957

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1...

EUVD-2026-40233

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1...

CVE-2026-55957 Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1...

CVE-2026-55957

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1...

Security update for tomcat

This update for tomcat fixes the following issues Update to Tomcat 9.0.118: CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling bsc1265162. CVE-2026-41293: HTTP/2 request headers not validated bsc1265163. CVE-2026-42498: WebSocket authentication header exposure bsc1265165...

SUSE CVE-2026-53001

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c "netfilter: xtables: use NFPROTOUNSPEC in more extensions" to allow ipv4 and ipv6 only. - xtmac - xtowner - xtphysdev...

SUSE SLES16: tomcat10 / tomcat10-admin-webapps / tomcat10-doc / etc (SUSE-SU-2026:22197-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22197-1 advisory. This update for tomcat10 fixes the following issues Update to Tomcat 10.1.55: - CVE-2026-41284: Unbounded read in WebDAV LOCK and...

CVE-2026-53440

A flaw was found in Jenkins. This vulnerability allows a remote attacker to perform phishing attacks. The 'Delegate to servlet container' security realm does not properly validate the 'from' parameter, which can be manipulated to redirect users to an attacker-controlled domain after they log in...

keycloak: Keycloak: Privilege escalation via improper scope mapping enforcement

A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security...

keycloak: Keycloak: Information disclosure through arbitrary filesystem path probing

A flaw was found in Keycloak. A realm administrator with the "manage-realm" role can exploit this vulnerability by submitting an arbitrary filesystem path as a keystore parameter when creating a key provider component. This allows the administrator to probe arbitrary filesystem paths, determining...

keycloak: Group-Admin Escalation to Realm-Admin

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

GO-2026-5094 Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm in github.com/distribution/distribution

Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm in github.com/distribution/distribution...

CVE-2026-53001

A flaw was identified in the Linux kernel's netfilter xtables component. This vulnerability allowed certain network filtering rules, specifically those involving xtmac, xtowner, xtphysdev, and xtrealm matches, to be applied outside of their intended internet protocol IPv4 and IPv6 contexts. This...

keycloak: Keycloak: Privilege escalation via improper scope mapping enforcement

A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security...

keycloak: Group-Admin Escalation to Realm-Admin

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...