Apache Tomcat - Digest authenticator will authenticate any unknown user

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if...

GHSA-H6FC-48RJ-7QQH Apache Tomcat - Digest authenticator will authenticate any unknown user

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if...

CVE-2026-33006

A flaw was found in the modauthdigest module of httpd. A remote unauthenticated attacker can bypass digest authentication by measuring timing discrepancies of requests. This issue leads to unauthorized access to resources protected by digest authentication. Mitigation Mitigation for this issue is...

Improper 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 Improper Authentication when DIGEST authentication is configured. An attacker can gain unauthorized access by providing any unknown...

Improper Authentication

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Authentication when DIGEST authentication is configured. An attacker can gain unauthorized access by providing any unknown username, as the system will...

Improper Authentication

Overview org.apache.tomcat:catalina is a Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authentication when DIGEST authentication is configured. An attacker can gain unauthorized access by providing any unknown username, as t...

Improper Authentication

Overview tomcat:catalina is a library that contains Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authentication when DIGEST authentication is configured. An attacker can gain unauthorized access by providing any...

DEBIAN-CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

UBUNTU-CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512

CVE-2026-43512 describes an authentication bypass in the Digest authenticator of Apache Tomcat. Affected are Tomcat 11.0.0-M1 to 11.0.21, 10.1.0-M1 to 10.1.54, 9.0.0.M1 to 9.0.117, 8.5.0 to 8.5.100, and older/pre-7.0.0 versions. The issue is fixed in Tomcat 11.0.22, 10.1.55, and 9.0.118. Multiple...

CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43512 Apache Tomcat: Digest authenticator will authenticate any unknown user

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

PT-2026-40455

Name of the Vulnerable Software and Affected Versions arduino-esp32 versions prior to 3.3.8 Description The WebServer Digest authentication implementation computes the authentication hash using the URI field from the client's Authorization header without verifying that it matches the actual...

PT-2026-40071

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.21 Apache Tomcat versions 10.1.0-M1 through 10.1.54 Apache Tomcat versions 9.0.0.M1 through 9.0.117 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions prior to 7.0.0 Description An...

Apache Tomcat 安全漏洞

Apache Tomcat is a lightweight web application server developed by the Apache Foundation in the United States. It supports Servlet and JavaServer Page JSP technologies. Security vulnerabilities exist in versions of Apache Tomcat ranging from 11.0.0-M1 to 11.0.21, from 10.1.0-M1 to 10.1.54, from...

CLSA-2026-1778490923 httpd: Fix of 9 CVEs

CVE-2026-33857: fix length checks in AJP msgget functions - CVE-2026-34032: fix ajpmsggetstring buffer checks - CVE-2026-34059: fix ajpparsedata message len check - CVE-2026-24072: use APEXPRFLAGRESTRICTED in htaccess - CVE-2026-29169: moddavlock: use the right davlockdiscovery - CVE-2026-33006:...