CVE-2026-54565

rhwp is an HWP viewer and editor implemented in Rust and WebAssembly. Prior to rhwp 0.7.15 and rhwp Chrome and Firefox extension 0.2.4, the browser extensions use an all-URLs host permission to detect HWP and HWPX links on visited pages, but the service workers do not validate message senders, UR...

CVE-2026-54565 rhwp browser extension performs SSRF / private-network requests and leaks HWP preview data to untrusted pages

rhwp is an HWP viewer and editor implemented in Rust and WebAssembly. Prior to rhwp 0.7.15 and rhwp Chrome and Firefox extension 0.2.4, the browser extensions use an all-URLs host permission to detect HWP and HWPX links on visited pages, but the service workers do not validate message senders, UR...

CVE-2026-54565 rhwp browser extension performs SSRF / private-network requests and leaks HWP preview data to untrusted pages

rhwp is an HWP viewer and editor implemented in Rust and WebAssembly. Prior to rhwp 0.7.15 and rhwp Chrome and Firefox extension 0.2.4, the browser extensions use an all-URLs host permission to detect HWP and HWPX links on visited pages, but the service workers do not validate message senders, UR...

CVE-2026-54565

rhwp is an HWP viewer/editor built in Rust and WebAssembly, distributed as Chrome and Firefox browser extensions . In versions prior to rhwp 0.7.15 and extension 0.2.4 , the service workers perform privileged fetches without validating message senders, URL schemes, or destination addresses, despi...

PT-2026-95093

Name of the Vulnerable Software and Affected Versions rhwp versions prior to 0.7.15 rhwp Chrome and Firefox extension versions prior to 0.2.4 Description Service workers in the browser extensions do not validate message senders, URL schemes, or destination addresses before performing privileged...