CVE-2026-49017

A flaw was found in OpenStack Swift. An authenticated attacker can exploit this vulnerability by sending a specially crafted, truncated aws-chunked PUT request body to the s3api middleware. This action causes an infinite loop within the StreamingInput class, leading to the affected proxy-server...

CVE-2026-49017

In OpenStack Swift before 2.36.2 and 2.37.2, s3api middleware enters an infinite loop when processing a truncated aws-chunked PUT request body. The StreamingInput class repeatedly appends an empty buffer and re-reads, causing the proxy-server worker handling the request to become permanently...