tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

EUVD-2026-81895

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

CVE-2026-86863

pgAdmin 4 (versions 6.2 through 9.17 ) has an authentication bypass in its Webserver authentication mode. The WebserverAuthentication.get_user() method fell back to reading the WEBSERVER_REMOTE_USER value directly from inbound HTTP request headers, allowing any client to assert an arbitrary ident...

CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode

pgAdmin 4's Webserver authentication source is intended to accept an identity asserted by the web server or reverse proxy in front of pgAdmin, delivered through the WSGI/CGI environment. WebserverAuthentication.getuser read config.WEBSERVERREMOTEUSER from request.environ and, when that returned...

PoC

PoC PoC variados - Internet de cosas inseguras Merece mucho la pena leer sobre estas cosas inseguras de mala calidad: https://ipvm.com/reports/security-exploits Hikvision CVE-2021-36260 2021-10-19 Todo el crédito para WatchfulIP https://watchfulip.github.io/...

CVE-2026-91039 dynamic_oidc identities are not namespaced by connection in ash_authentication, allowing cross-connection account takeover

Authentication Bypass by Spoofing vulnerability in team-alembic ashauthentication allows an attacker who operates one identity-provider connection of a dynamicoidc strategy to be signed in as a local user established through a different connection. The strategy is meant to keep each connection in...

EUVD-2026-81687

Authentication Bypass by Spoofing vulnerability in team-alembic ashauthentication allows an attacker who operates one identity-provider connection of a dynamicoidc strategy to be signed in as a local user established through a different connection. The strategy is meant to keep each connection in...

CVE-2026-91039

team-alembic/ash_authentication versions 5.0.0-rc.10 through before 5.0.0-rc.14 are affected by an Authentication Bypass by Spoofing in the dynamic_oidc strategy. The __connection_id__ field is populated only on an ephemeral per-request struct, but DynamicOidc.IdentityChange.change/3 re-fetches t...

CVE-2026-91039 dynamic_oidc identities are not namespaced by connection in ash_authentication, allowing cross-connection account takeover

Authentication Bypass by Spoofing vulnerability in team-alembic ashauthentication allows an attacker who operates one identity-provider connection of a dynamicoidc strategy to be signed in as a local user established through a different connection. The strategy is meant to keep each connection in...

Moderate: Red Hat Security Advisory: tomcat security, bug fix, and enhancement update

An update for tomcat is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

CVE-2026-76460

CVE-2026-76460 Este proyecto demuestra un escenario simulado de omisión de autenticación inspirado en CVE-2026-76460. El laboratorio es intencionalmente educativo y seguro: es una API Flask local que simula el comportamiento vulnerable y parcheado sin atacar sistemas reales. Objetivo La aplicació...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...