thumbor vulnerabilities

Thumbor has path traversal via post-validation URL decoding bypass in file_loader

thumbor · thumbor

Thumbor proportion filter allows unbounded post-transform resize leading to remote DoS

thumbor · thumbor

Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

thumbor · thumbor

Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS

thumbor · thumbor

Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

thumbor · thumbor

Thumbor treats ALLOWED_SOURCES string patterns as unescaped regex, allowing hostname bypass via wildcard dot

thumbor · thumbor