Improper Authorization in Incus Allows Unauthorized Access to Storage Bucket Keys
CVE-2026-115371

7.1HIGH

Key Information:

Vendor

Lxc

Status
Incus
Vendor
CVE Published:
22 October 2026

What is CVE-2026-115371?

Incus versions 6.0.3 through 6.0.6, 6.6.0 through 6.7.1, and 7.1.0 through 7.4.9 are susceptible to an improper authorization vulnerability that enables unauthorized TLS clients to access sensitive storage bucket keys within the default project. Attackers can exploit this vulnerability by querying the bucket keys endpoints to retrieve crucial S3 access and secret keys, allowing them to read, alter, or delete objects stored in those buckets. Organizations using affected versions are urged to upgrade promptly to mitigate potential risks.

Affected Version(s)

incus 6.0.3 < 6.0.7

incus 6.6.0 < 7.0.2

incus 7.1.0 < 7.5.0

References

https://github.com/lxc/incus/security/advisories/GHSA-x8g...
vendor-advisory
https://www.vulncheck.com/advisories/lxc-incus-6.0.3-befo...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

manus-pi
stgraber
manus-use
.