CVE-2026-115374
High · 7.1CVSS
7.1
EPSS
0.2%
Published
Oct 22, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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