CVE-2026-115374: incus 7.0.0 to before 7.0.2, 7.1.0 to before 7.5.0

Affected technology

incus · 7.0.0 to before 7.0.2, 7.1.0 to before 7.5.0
lxc

Description’s affected range: before 7.0.2 and 7.1.0 before 7.5.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

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. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality impact as high; integrity impact as low; availability impact as none.