CVE-2026-34052

LTI JupyterHub Authenticator is a JupyterHub authenticator for LTI. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send...

PYSEC-2026-2238

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

CVE-2026-34052 LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)

LTI JupyterHub Authenticator is a JupyterHub authenticator for LTI. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send...

CVE-2026-34052 LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)

LTI JupyterHub Authenticator is a JupyterHub authenticator for LTI. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send...

CVE-2026-34052 LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)

LTI JupyterHub Authenticator is a JupyterHub authenticator for LTI. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send...

CVE-2026-34052

CVE-2026-34052 affects the LTI JupyterHub Authenticator used with JupyterHub. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds, with nonces added before signature validation. An attacker who knows a valid consumer key can send...

CVE-2026-33175 OAuthenticator: Authentication Bypass in Auth0OAuthenticator via Unverified Email Claims

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

CVE-2026-33175 OAuthenticator: Authentication Bypass in Auth0OAuthenticator via Unverified Email Claims

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

Allocation of Resources Without Limits or Throttling

Overview jupyterhub-ltiauthenticator is a JupyterHub authenticator implementing LTI v1.1 and LTI v1.3 Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the unbounded growth of a class-level dictionary used for storing OAuth nonces. An...

GHSA-8MXQ-7XR7-2FXJ LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)

Summary The LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so an attacker with knowledge of a valid consumer key can send repeated requests with unique nonces to gradually exhaust server memory, causing a...

EUVD-2026-18893

LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage Denial of Service...

LTI JupyterHub Authenticator 安全漏洞

LTI JupyterHub Authenticator is an open-source LTI-based authentication service for JupyterHub. Versions of LTI JupyterHub Authenticator prior to 1.6.3 contained a security vulnerability. This vulnerability stemmed from the unlimited growth of OAuth random numbers, which could lead to...

CVE-2026-33874

Gematik Authenticator securely authenticates users for login to digital health applications. Starting in version 4.12.0 and prior to version 4.16.0, the Mac OS version of the Authenticator is vulnerable to remote code execution, triggered when victims open a malicious file. Update the gematik...

CVE-2026-33875

Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update...

CVE-2026-33875

Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update...

CVE-2026-33874

Gematik Authenticator securely authenticates users for login to digital health applications. Starting in version 4.12.0 and prior to version 4.16.0, the Mac OS version of the Authenticator is vulnerable to remote code execution, triggered when victims open a malicious file. Update the gematik...

CVE-2026-33875

Gematik Authenticator (software component for digital health login) is affected. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing an attacker to authenticate as a victim who clicks a malicious deep link. Root cause is not explicitly detailed beyond th...

EUVD-2026-16817

Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update...

CVE-2026-33875 Authenticator Vulnerable to Authentication Flow Hijack

Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update...

CVE-2026-33875 Authenticator Vulnerable to Authentication Flow Hijack

Gematik Authenticator securely authenticates users for login to digital health applications. Versions prior to 4.16.0 are vulnerable to authentication flow hijacking, potentially allowing attackers to authenticate with the identities of victim users who click on a malicious deep link. Update...