HIGHCVSS v3.1 7.1Vulnerability
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 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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-22T22:14:18.200859+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.1
- Retrieved at
- 2026-10-22T22:16:40+00:00
- Score
- 7.1
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-115374
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- First seen by Signal
- 2026-10-22T22:12:23+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- Published at
- 2026-10-22T19:17:43.953
- Last modified
- 2026-10-22T19:17:43.953
Related Entities (1)
HAS_WEAKNESS (1)
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