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7.1 High

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…

Description

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 and versions

Product Affected versions Fixed in
incus 7.5 earliest → < 7.5.0 7.5.0
incus 7.1 7.1.0 → < 7.5.0 7.5.0
incus 7.0 7.0.0 → < 7.0.2 7.0.2
The 47 CVEs of incus →
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