MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience

SECURITY registry001 Vulnerability Report While analyzing the code logic, an area that may lead to unintended behavior under specific conditions was discovered. Overview - Verified Version: c5c4b9e8890dd5754bee889b2f1417f4fe3b5ce5 - Vulnerability Type: Authentication bypass via cross-registry OID...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the improper validation of the audience parameter in the OIDC authentication process. An attacker can gain unauthorized publish permissions by replaying a valid GitHub OIDC token obtained from one...

PT-2026-39262

Name of the Vulnerable Software and Affected Versions MCP Registry versions prior to 1.7.6 Description The GitHub OIDC flow for both client and server is bound to a global audience string instead of the specific registry instance being targeted. On the client side, the publisher always appends...

opentelemetry-collector-contrib's azureauthextension Authenticate method does not validate bearer tokens, allowing auth bypass via replay

Summary A server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any OpenTelemetry receiver that uses auth: azureauth. The extension's Authenticate metho...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the azureauthextension method. An attacker can gain unauthorized access to telemetry ingestion endpoints by replaying a valid Azure access token for any scope the configured identity c...

GHSA-PJV4-3C63-699F opentelemetry-collector-contrib's azureauthextension Authenticate method does not validate bearer tokens, allowing auth bypass via replay

Summary A server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate to any OpenTelemetry receiver that uses auth: azureauth. The extension's Authenticate metho...

GHSA-9HMG-827W-9RHJ nuts-node has JWT type confusion in v1 access token introspection that allows VP replay as access token

Summary The v1 access token introspection endpoint /auth/v1/introspectaccesstoken accepts any JWT signed by a key present on the node, without validating the JWT type, issuer-to-key binding, or required claims. This allows a Verifiable Presentation VP JWT to be replayed as an access token and...

GHSA-3GX8-Q682-38MX OpenID Connect nonce generated but never validated — ID token replay attack

Summary The roadiz/openid package generates an OIDC nonce in OAuth2LinkGenerator::generate and includes it in the authorization request sent to the identity provider, but never stores it and never validates it on the callback. The OpenIdJwtConfigurationFactory validation chain does not include a...

OpenID Connect nonce generated but never validated — ID token replay attack

Summary The roadiz/openid package generates an OIDC nonce in OAuth2LinkGenerator::generate and includes it in the authorization request sent to the identity provider, but never stores it and never validates it on the callback. The OpenIdJwtConfigurationFactory validation chain does not include a...

Insufficient Verification of Data Authenticity

Overview Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity due to the lack of validation for the nonce parameter in the authentication process. An attacker can gain unauthorized access by replaying a previously obtained valid ID token, allowing...

PT-2026-37178

Name of the Vulnerable Software and Affected Versions Roadiz versions prior to 2.3.43 Roadiz versions prior to 2.5.45 Roadiz versions prior to 2.6.31 Roadiz versions prior to 2.7.18 Description The roadiz/openid package fails to properly implement the OIDC nonce validation process. While the...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the /debug/vars endpoint, which exposes the process command line including sensitive startup flags. An attacker can gain unauthorized access to admin-only endpoints by retrieving the admin token and replaying it...

EUVD-2026-25599

Dgraph is an open source distributed GraphQL database. Prior to 25.3.3, Dgraphl exposes the process command line through the unauthenticated /debug/vars endpoint on Alpha. Because the admin token is commonly supplied via the --security "token=..." startup flag, an unauthenticated attacker can...

PT-2026-35060

Name of the Vulnerable Software and Affected Versions Dgraph versions prior to 25.3.3 Description Dgraph exposes the process command line through the unauthenticated '/debug/vars' endpoint on Alpha. Since the admin token is often provided via the --security startup flag, an unauthenticated attack...

Too Private to Tell: Practical Token Theft Attacks on Apple Intelligence

Apple Intelligence is a generative AI GenAI service provided by Apple on its devices. While offering a similar set of features as other similar GenAI services, Apple Intelligence is claimed to be designed with an extra focus on user security and privacy through a two-stage authentication and...

CVE-2026-35407

Saleor is an e-commerce platform. From 2.10.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, a business-logic and authorization flaw was found in the account email change workflow, the confirmation flow did not verify that the email change confirmation token was issued for the given...

GHSA-7M55-2HR4-PW78 Juju: In-Memory Token Store for Discharge Tokens Lacks Concurrency Safety and Persistence

Summary The localLoginHandlers struct in the Juju API server maintains an in-memory map to store discharge tokens following successful local authentication. This map is accessed concurrently from multiple HTTP handler goroutines without any synchronization primitive protecting it. The absence of ...

Juju: In-Memory Token Store for Discharge Tokens Lacks Concurrency Safety and Persistence

Summary The localLoginHandlers struct in the Juju API server maintains an in-memory map to store discharge tokens following successful local authentication. This map is accessed concurrently from multiple HTTP handler goroutines without any synchronization primitive protecting it. The absence of ...

CVE-2026-5774 Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map

Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow an authenticated user to possibly cause a denial of service on the server or possibly reuse a single-use discharge token...

CVE-2026-35407

Saleor is an e-commerce platform. From 2.10.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, a business-logic and authorization flaw was found in the account email change workflow, the confirmation flow did not verify that the email change confirmation token was issued for the given...