CVE-2026-65653

github.com/temporalio/tchannel-go did not reject TChannel call fragments containing checksum metadata but no length-prefixed argument chunks. The fragment reader left its chunk slice empty and then unconditionally selected the first element. A network peer can supply such a malformed call fragmen...

CVE-2026-65652

github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksum type. The parser uses that value as...

EUVD-2026-83894

github.com/temporalio/tchannel-go did not reject TChannel call fragments containing checksum metadata but no length-prefixed argument chunks. The fragment reader left its chunk slice empty and then unconditionally selected the first element. A network peer can supply such a malformed call fragmen...

CVE-2026-65653

github.com/temporalio/tchannel-go failed to reject TChannel call fragments that carry checksum metadata but no length-prefixed argument chunks. The fragment reader left its chunk slice empty and then unconditionally selected the first element, producing an unrecovered Go slice-bounds panic on a l...

CVE-2026-65653 temporalio/tchannel-go zero-chunk call fragment causes process termination

github.com/temporalio/tchannel-go did not reject TChannel call fragments containing checksum metadata but no length-prefixed argument chunks. The fragment reader left its chunk slice empty and then unconditionally selected the first element. A network peer can supply such a malformed call fragmen...

EUVD-2026-83893

github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksum type. The parser uses that value as...

CVE-2026-65652 temporalio/tchannel-go malformed checksum type causes process termination

github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksum type. The parser uses that value as...

CVE-2026-65652

github.com/temporalio/tchannel-go fails to validate the one-byte checksum-type field in inbound TChannel call frames. An unauthenticated remote peer that completes the standard initialization handshake can send a call request with an unsupported checksum type. The parser uses that value as an ind...