CVE-2026-82843 WP OAuth Server < 6.4.0 - Subscriber+ Cross-User Account Takeover via OIDC ID Token Substitution

The WP OAuth Server Login with WordPress WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the...

CVE-2026-82843 WP OAuth Server < 6.4.0 - Subscriber+ Cross-User Account Takeover via OIDC ID Token Substitution

The WP OAuth Server Login with WordPress WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the...

CVE-2026-82843

The WP OAuth Server (Login with WordPress) WordPress plugin, in versions before 6.4.0 , is vulnerable to a cross-user account takeover due to an improper authentication flaw. The plugin fails to bind the issued OpenID Connect identity assertion to the specific authorization grant being exchanged....

EUVD-2026-80218

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes,...

NPM: n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

NPM: n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution vulnerability discovered by ? in WordPress Npm n8n versions 2.37.7...

CVE-2026-86073

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.1, the OAuth token endpoint bound an authorization code's first access token to the consented resource but did not bind its refresh token. Refreshing checked only that the requested resource was registered, not that it...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the OIDC callback handling. An attacker can gain unauthorized access by substituting an access token minted for another client, thereby creating authenticated sessions without proper issuer, audience, nonce, o...

CVE-2026-82462 pac4j-oidc before 6.5.6 Authentication Bypass via Access Token Substitution

pac4j-oidc before 6.5.6 accepts OIDC callbacks carrying only an access token without authorization code or ID token validation. Attackers can substitute access tokens minted for other clients to create authenticated sessions without proper issuer, audience, nonce, or subject verification...

CVE-2026-82462 pac4j-oidc before 6.5.6 Authentication Bypass via Access Token Substitution

pac4j-oidc before 6.5.6 accepts OIDC callbacks carrying only an access token without authorization code or ID token validation. Attackers can substitute access tokens minted for other clients to create authenticated sessions without proper issuer, audience, nonce, or subject verification...

CVE-2026-82462 pac4j-oidc before 6.5.6 Authentication Bypass via Access Token Substitution

pac4j-oidc before 6.5.6 accepts OIDC callbacks carrying only an access token without authorization code or ID token validation. Attackers can substitute access tokens minted for other clients to create authenticated sessions without proper issuer, audience, nonce, or subject verification...

CVE-2026-82462

pac4j-oidc versions prior to 6.5.6 contain an authentication bypass vulnerability in the OIDC callback handling. The OidcCredentialsExtractor accepts callbacks carrying only an access token without requiring an authorization code or ID token, allowing attackers to substitute access tokens minted ...

CVE-2026-76349

In Splunk Enterprise versions below 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could trick an authenticated user into running arbitrary Search Processing Language SPL commands using the permissions of the authenticated user through a crafted Splunk Web link. The SPL commands could access...

CVE-2026-15211

The Subscriptions for WooCommerce WordPress plugin before 2.0.1 does not validate the payment amount or bind the PayPal order token to the order being completed on the WooCommerce order-received flow: it captures a client-supplied token and marks the order paid whenever the capture status is...

CVE-2026-55431

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

CVE-2026-55431 Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

EUVD-2026-42140

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the...

jwcrypto token substitution can lead to authentication bypass

The JWT code can auto-detect the type of token being provided, and this can lead the application to incorrect conclusions about the trustworthiness of the token.Quoting the private disclosure we received : "Under certain circumstances, it is possible to substitute a .. signed JWS with a JWE that ...

PYSEC-2026-827 jwcrypto token substitution can lead to authentication bypass

The JWT code can auto-detect the type of token being provided, and this can lead the application to incorrect conclusions about the trustworthiness of the token. Quoting the private disclosure we received : "Under certain circumstances, it is possible to substitute a .. signed JWS with a JWE that...

GHSA-V54H-CP2W-9X4G Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Summary coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the CLI replaces it with the user's real session token before handing the URL to the OS open handler. Note: Practical exploitation requir...

Coder's session token leaked to arbitrary hosts via `coder open app` for external workspace apps

Summary coder open app opens external workspace-app URLs without validating the scheme or host. When an external app URL contains the $SESSIONTOKEN placeholder the CLI replaces it with the user's real session token before handing the URL to the OS open handler. Note: Practical exploitation requir...