File Browser TUS Negative Upload-Length Fires Post-Upload Hooks Prematurely

!NOTE This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations. To exploit this vulnerability, the instance administrator must turn on a feature and ignore all the warnings about known vulnerabilities. We're publishing this new...

PT-2026-25857

Name of the Vulnerable Software and Affected Versions File Browser versions 2.61.2 and below Description File Browser has a flaw in its handling of TUS resumable uploads. The software parses the 'Upload-Length' header as a signed 64-bit integer without verifying that the value is non-negative. Th...