CVE-2026-115374 | BDVDB-2026-394649 Detail

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.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-10-22Record published in the CVE List.
2. Version 22026-10-23Most recent update recorded in the CVE List.