What is CVE-2026-35527?

CVE-2026-35527 is a medium-severity vulnerability in Linuxcontainers Incus, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-05-05.

How severe is CVE-2026-35527?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in Linuxcontainers Incus

CVE-2026-35527

Incus is an open source container and virtual machine manager. In versions prior to 7.0.0, the image import flow issues an outbound HEAD request to a user-supplied URL before validating the request against project restrictions such as rest…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Linuxcontainers Incus
Lxc Incus — versions < 7.0.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/lxc/incus/security/advisories/GHSA-8gw4-p4wq-4hcv (x_refsource_CONFIRM, Exploit, Vendor Advisory)
https://github.com/lxc/incus/blob/v6.22.0/cmd/incusd/images.go (Product, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35527?: CVE-2026-35527 is a medium-severity vulnerability in Linuxcontainers Incus, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-05-05.
How severe is CVE-2026-35527?: Medium severity. CVSS v3 base score is 5.0 out of 10.