PYSEC-2026-1494 Kinto Attachment's attachments can be replaced on read-only records

Impact The attachment file of an existing record can be replaced if the user has "read" permission on one of the parent collection or bucket. And if the "read" permission is given to "system.Everyone" on one of the parent, then the attachment can be replaced on a record using an anonymous request...

CVE-2025-66019 pypdf manipulated LZWDecode streams can exhaust RAM

pypdf is a free and open-source pure-python PDF library. Prior to version 6.4.0, an attacker who uses this vulnerability can craft a PDF which leads to a memory usage of up to 1 GB per stream. This requires parsing the content stream of a page using the LZWDecode filter. This issue has been patch...