CVE-2025-66506

Fulcio is a free-to-use certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Prior to 1.8.3, function identity.extractIssuerURL splits via a call to strings.Split its argument which is untrusted data on periods. As a result, in the face of a malicious...

DEBIAN-CVE-2025-66506

Fulcio is a free-to-use certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Prior to 1.8.3, function identity.extractIssuerURL splits via a call to strings.Split its argument which is untrusted data on periods. As a result, in the face of a malicious...

CVE-2025-66506 Fulcio allocates excessive memory during token parsing

Fulcio is a free-to-use certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Prior to 1.8.3, function identity.extractIssuerURL splits via a call to strings.Split its argument which is untrusted data on periods. As a result, in the face of a malicious...

PT-2025-49168

Name of the Vulnerable Software and Affected Versions Fulcio versions prior to 1.8.3 Description Fulcio is a certificate authority for issuing code signing certificates for OpenID Connect OIDC identity. The identity.extractIssuerURL function splits its input, which is untrusted data, on periods. ...

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

Incorrect Implementation of Authentication Algorithm

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm due to improper validation of OAuth state tokens during the OpenID Connect authentication...

CVE-2025-12419

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419

Mattermost contains an OAuth/OpenID Connect validation flaw where OAuth state tokens are not properly validated during authentication, enabling an authenticated attacker with team-creation privileges to take over a user account by manipulating data in the OAuth completion flow. The issue affects ...

CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12414

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

EUVD-2025-198285

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

CVE-2025-12414

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

CVE-2025-12414 Looker account compromise via punycode homograph attack

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

CVE-2025-12414 Looker account compromise via punycode homograph attack

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

CVE-2025-12414

CVE-2025-12414 affects Looker installations using OIDC authentication, due to email address string normalization. Looker-hosted deployments are mitigated; self-hosted instances require upgrading to fixed versions (examples listed: 24.12.100+, 24.18.193+, 25.0.69+, 25.6.57+, 25.8.39+, 25.10.22+, 2...

PT-2025-47566

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

OpenAM: Using arbitrary OIDC requested claims values in id_token and user_info is allowed

Summary If the "claimsparametersupported" parameter is activated, it is possible through the "oidc-claims-extension.groovy" script, to inject the value of choice into a claim contained in the idtoken or in the userinfo. Authorization function requests do not prevent a claims parameter containing ...

EUVD-2025-131956

Open Access Management OpenAM is an access management solution. In versions prior to 16.0.0, if the "claimsparametersupported" parameter is activated, it is possible, thanks to the "oidc-claims-extension.groovy" script, to inject the value of one's choice into a claim contained in the idtoken or ...