CVE-2026-63405

AnyCable is a realtime server for reliable two-way communication that supports any backend. Prior to 1.6.15, the Pusher-compatible REST API in pusher/http.go includes the caller-supplied bodymd5 value in the HMAC input but does not calculate the digest of the received request body or compare it...

AnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary Body

Summary The Pusher-compatible REST API includes bodymd5 in the HMAC signature string but never computes or verifies the MD5 of the received HTTP body, allowing anyone who observes a signed request to replay it with an entirely different body. Details In pusher/http.go, the Handler function extrac...

GHSA-5P54-WHVP-X327 AnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary Body

Summary The Pusher-compatible REST API includes bodymd5 in the HMAC signature string but never computes or verifies the MD5 of the received HTTP body, allowing anyone who observes a signed request to replay it with an entirely different body. Details In pusher/http.go, the Handler function extrac...

CVE-2026-63405 AnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary Body

AnyCable is a realtime server for reliable two-way communication that supports any backend. Prior to 1.6.15, the Pusher-compatible REST API in pusher/http.go includes the caller-supplied bodymd5 value in the HMAC input but does not calculate the digest of the received request body or compare it...

CVE-2026-63405 AnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary Body

AnyCable is a realtime server for reliable two-way communication that supports any backend. Prior to 1.6.15, the Pusher-compatible REST API in pusher/http.go includes the caller-supplied bodymd5 value in the HMAC input but does not calculate the digest of the received request body or compare it...

CVE-2026-63405 AnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary Body

AnyCable is a realtime server for reliable two-way communication that supports any backend. Prior to 1.6.15, the Pusher-compatible REST API in pusher/http.go includes the caller-supplied bodymd5 value in the HMAC input but does not calculate the digest of the received request body or compare it...

CVE-2026-63405

AnyCable is a realtime server supporting any backend. Prior to 1.6.15 , its Pusher-compatible REST API (in pusher/http.go) includes the caller-supplied body_md5 value in the HMAC signature but never computes or verifies the MD5 of the actual received body. Because there is also no auth_timestamp ...