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…
- Risk score
- 43/100
- CVSS
- 7.1 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 22 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, disc…
- Affected
- See advisory
- Fix
- Upgrade the product to 7.0.2, 7.1.0 or 7.5.0 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
References
Original 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.
Last activity 22 Oct 2026. Patch Forecast updates every hour.