Bykea · Report #3228011
Critical Information Disclosure via /talos/api/v1/files/upload
Validstatus
criticalseverity
97upvotes
17 Sept 2025disclosed
Summary
@sameer_ali discovered a vulnerability in the file upload functionality where uploaded files were first stored on the server before being sent to S3. Due to a configuration flaw, memory chunks from the server were included in some uploaded files. This issue was classified as Critical and was addressed as a priority.
How it was found
The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.