UBUNTU-CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

GHSA-53MR-6C8Q-9789 LiteLLM: Privilege escalation via unrestricted proxy configuration endpoint

Impact The /config/update endpoint does not enforce admin role authorization. A user who is already authenticated into the platform can then use this endpoint to do the following: - Modify proxy configuration and environment variables - Register custom pass-through endpoint handlers pointing to...

CVE-2026-33175

CVE-2026-33175 affects OAuthenticator for JupyterHub. Before 17.4.0, an authentication bypass via unverified emails on an Auth0 tenant when email is used as the usrname_claim can allow login and potential account takeover. Affected: OAuthenticator versions before 17.4.0 integrated with JupyterHub...

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 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...

Auth0OAuthenticator has an Authentication Bypass via Unverified Email Claims

Summary An authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email is used as the usrnameclaim, this gives users control over their username and the possibility of account takeover. Impact This...

GHSA-RRVG-CXH4-QHRV Auth0OAuthenticator has an Authentication Bypass via Unverified Email Claims

Summary An authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email is used as the usrnameclaim, this gives users control over their username and the possibility of account takeover. Impact This...

EUVD-2026-18829

prompts.chat prior to commit 1464475 contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-22665

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447

OpenPrinting CUPS (cupsd) contains an authorization bypass in versions 2.4.16 and earlier due to case-insensitive username comparison during authorization checks. This allows an unprivileged user to access restricted operations by using a username that differs only in case from an authorized user...

CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-22665

CVE-2026-22665 affects prompts.chat prior to commit 1464475. The root cause is inconsistent handling of usernames across write and read paths, mixing case-sensitive and case-insensitive comparisons. This identity confusion allows creation of case-variant usernames that bypass uniqueness checks, e...

CVE-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...