high7.1
CVE-2026-115374
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 un…
Impact
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 products
| Product | Affected versions |
|---|---|
| Incus 7.0.0 | before 7.0.2 |
| 7.1.0 | before 7.5.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.