CVE-2026-108699

The hyper-mcp framework (versions through 0.8.3 ) is vulnerable to an improper signature verification flaw involving OCI WebAssembly plugins. The root cause is that the cosign_verify_args() function accepts any signer identity and OIDC issuer by default. This allows an attacker who controls a plu...

EUVD-2026-96999

hyper-mcp through 0.8.3 contains an improper signature verification vulnerability that allows attackers to load malicious WebAssembly plugins because cosignverifyargs accepts any signer identity and OIDC issuer by default. Attackers controlling a plugin image reference can sign a malicious image...

CVE-2026-108698

The hyper-mcp software (versions through 0.8.3 ) contains a TOCTOU (Time-of-Check Time-of-Use) Race Condition vulnerability within the load_wasm function in src/wasm/oci.rs. The root cause is that the system verifies the Cosign signature of a separately resolved tag instead of the actual loaded m...

EUVD-2026-96998

hyper-mcp through 0.8.3 contains a signature verification bypass vulnerability in loadwasm in src/wasm/oci.rs that verifies the Cosign signature of a separately resolved tag rather than the loaded manifest. Attackers controlling registry responses for the tag can serve an unsigned malicious...