dapla-team-cli (>=0.2.0, <=0.2.2), dapla-toolbelt-pseudo (>=0.1.0, <=0.4.0) +15 more potentially affected by CVE-2026-54338 via jupyterhub (4.1.6)

jupyterhub PYPI version 4.1.6 is affected by a known vulnerability. The following packages have a transitive dependency on jupyterhub and may be impacted: - dapla-team-cli =0.2.0, =0.1.0, =0.2.0, =1.0.0, =0.5.0, =0.11.0, =0.2.0, =1.0.2, =0.1.0, =1.1.9, =0.5.0, =0.10.0 - ssb-datadoc 0.1.4 and more...

CVE-2026-54338

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. Prior to 5.5.0, invalid input to form-based login authenticators can place an unbounded attacker-controlled username in failed-login logs, allowing an unauthenticated attacker to consume logging and...

CVE-2026-54338: Uncontrolled Resource Consumption

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. Prior to 5.5.0, invalid input to form-based login authenticators can place an unbounded attacker-controlled username in failed-login logs, allowing an unauthenticated attacker to consume logging and...

EUVD-2025-210632

The Conditional Authentication Adaptive Authentication script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges ...

K000162693: Linux kernel: rxrpc oversized RESPONSE authenticator length check vulnerability CVE-2026-31635

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgkverifyresponse decodes authlen from the packet and is supposed to verify that it fits in the remaining bytes. The existing check is...

Keycloak security vulnerabilities

Keycloak is an open-source identity and access management solution developed by Keycloak itself. Keycloak has a security vulnerability, which stems from an authentication flaw in the WebAuthn process. This flaw allows remote attackers to reissue the ExecuteActionsActionToken token, enabling them ...

CVE-2026-31635

A flaw was found in the Linux kernel's rxrpc component. An inverted length check in the rxgkverifyresponse function allows oversized RESPONSE authenticators to be accepted. This can lead to an impossible length being passed to skbtosgvec, triggering a BUGON condition and resulting in a system...

de.arbeitsagentur.opdt:keycloak-cassandra-extension (4.0.2-25.0), de.arbeitsagentur.opdt:keycloak-cassandra-model-tests (4.0.2-25.0) +22 more potentially affected by CVE-2026-4282 via org.keycloak:keycloak-services (25.0.4)

org.keycloak:keycloak-services MAVEN version 25.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - de.arbeitsagentur.opdt:keycloak-cassandra-extension 4.0.2-25.0 -...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication due to cache key confusion. An attacker can gain unauthorized access by using a token to prime the cache, and subsequently use the same token for rules that use a different introspection server. Note: This is onl...

GHSA-7G5X-9C4V-4W5R Keycloak REST Services has a WebAuthn Attestation Statement Verification Bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

EUVD-2025-208135

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150 Org.keycloak/keycloak-services: webauthn attestation statement verification bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150 Org.keycloak/keycloak-services: webauthn attestation statement verification bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150 Org.keycloak/keycloak-services: webauthn attestation statement verification bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150

Keycloak WebAuthn registration component is affected by CVE-2025-12150. An attacker can bypass the realm’s attestation policy by submitting an attestation object with fmt: "none", enabling registration of untrusted/ forged authenticators and weakening authentication integrity. The issue arises de...

PT-2026-22313

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak’s WebAuthn registration component. This allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators by submitting...

Keycloak data falsification vulnerability

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a vulnerability related to data falsification. This vulnerability stems from defects in the WebAuthn registration component, which may allow for bypassing configured proofing policies and...

fr.cnieg.keycloak:attribute-login-provider (1.3.8), io.phasetwo.keycloak:keycloak-extensions (0.1) +24 more potentially affected by CVE-2025-14559 via org.keycloak:keycloak-services (22.0.3)

org.keycloak:keycloak-services MAVEN version 22.0.3 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - fr.cnieg.keycloak:attribute-login-provider 1.3.8 - io.phasetwo.keycloak:keycloak-extensions 0.1 -...