Pocket ID: The client credentials grant allows any OIDC client to obtain tokens for arbitrary audiences

Summary The client credentials grant granttype=clientcredentials does not validate the resource parameter before embedding it as the aud claim in the issued JWT. Any authenticated OIDC client can obtain a Pocket ID-signed access token claiming authorization for any arbitrary audience, including...

GHSA-Q4XM-P75H-H9P3 Pocket ID: The client credentials grant allows any OIDC client to obtain tokens for arbitrary audiences

Summary The client credentials grant granttype=clientcredentials does not validate the resource parameter before embedding it as the aud claim in the issued JWT. Any authenticated OIDC client can obtain a Pocket ID-signed access token claiming authorization for any arbitrary audience, including...

CVE-2026-59358

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · CVE-2026-59358 Write-up: https://abraxaslabs.tech/research/cve-2026-59358 CVE-2026-59358 Class: Privilege leftover Reach: Remote Cloud Foundry UAA v79.6.0 - VMware by Broadcom / Cloud Foundry Foundation I am...

GHSA-7984-QGVG-3J9C OAuthLib: Token grants can use attacker-supplied client_id for authorization after authenticating a different client

Summary OAuthlib's token grant handlers can authenticate one client while authorizing the grant type and requested scopes using a different, attacker-supplied clientid from the request body. In affected token grant flows, authenticateclientrequest sets request.client to the authenticated client...

EUVD-2026-112488

OAuthLib: Token grants can use attacker-supplied clientid for authorization after authenticating a different client...

OAuthLib: Token grants can use attacker-supplied client_id for authorization after authenticating a different client

Summary OAuthlib's token grant handlers can authenticate one client while authorizing the grant type and requested scopes using a different, attacker-supplied clientid from the request body. In affected token grant flows, authenticateclientrequest sets request.client to the authenticated client...

CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

Linux Distros Unpatched Vulnerability : CVE-2026-118669

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials...

SUSE CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

AZL-112133 CVE-2026-118669 affecting package python-oauthlib 3.2.2-4

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

DEBIAN-CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

UBUNTU-CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669

OAuthLib , a Python 3.6+ OAuth request-signing implementation, is vulnerable to an authorization bypass in versions prior to 4.0.0 . The client_credentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while incorrectly ret...

CVE-2026-118669 OAuthLib: Token grants can use attacker-supplied client_id for authorization after authenticating a different client

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669 OAuthLib: Token grants can use attacker-supplied client_id for authorization after authenticating a different client

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

CVE-2026-118669: oauthlib: OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+

OAuthLib is an implementation of the OAuth request-signing logic for Python 3.6+. Prior to 4.0.0, the clientcredentials and Resource Owner Password Credentials token grant handlers can authenticate request.client as one confidential client while retaining an attacker-supplied request.clientid for...

OAuthLib authorization issue vulnerability

Versions of OAuthLib prior to 4.0.0 contain an authorization issue vulnerability. This vulnerability arises because the token authorization handlers for clientcredentials and Resource Owner Password Credentials retain the clientid provided by attackers during validation of authorization types and...