{"id":"DEBIAN-CVE-2026-115374","details":"Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 contains a signature verification flaw in its built-in S3 server that allows presigned URL holders to inject unsigned x-amz-* headers. Attackers can add an unsigned X-Amz-Copy-Source header to a presigned upload URL to copy other bucket objects onto the granted key, disclosing their contents and ETags.","modified":"2026-10-24T10:00:17.825480121Z","published":"2026-10-22T19:17:43.953Z","upstream":["CVE-2026-115374"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-115374"}],"affected":[{"package":{"name":"incus","ecosystem":"Debian:14","purl":"pkg:deb/debian/incus?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.1-5"}]}],"versions":["6.0.4-2","6.0.4-3","6.0.5-1","6.0.5-2","6.0.5-3","6.0.5-4","6.0.5-5","6.0.5-6","6.0.5-7","6.0.5-8","6.0.6-1","6.0.6-2","6.0.6-3","6.14.0-1~exp1","6.15.0-1~exp1","6.16.0-1~exp1","6.17.0-1~exp1","6.20.0-1~exp1","6.21.0-1~exp1","6.22.0-1~exp1","6.23.0-1~exp1","7.0.0-1","7.0.0-1~bpo13+1","7.0.0-2","7.0.0-2~bpo13+1","7.0.0-3","7.0.0-4","7.0.0-5","7.0.0-5~bpo13+1","7.0.1-1","7.0.1-1~bpo13+1","7.0.1-2","7.0.1-2~bpo13+1","7.0.1-3","7.0.1-3~bpo13+1","7.0.1-4","7.0.1-5~bpo13+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-115374.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}