CVE-2026-122224: retspen webvirtcloud

Affected products, as the CNA wrote them
Vendor	Product	Versions
retspen	webvirtcloud pkg:github/retspen/webvirtcloud	affected bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3 git Other versions: unaffected

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.2	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
8.1	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0033, the 26th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

4 Nov 2026, 20:36 UTC Confirmed by the CVE List
4 Nov 2026, 20:43 UTC First seen by agentprime
4 Nov 2026, 21:18 UTC Confirmed by NVD

Sources

References from the CNA

github.com/retspen/webvirtcloud/issues/689 issue-tracking
github.com/catborise/webvirtcloud/commit/1227674d8f5a5230e5c654267773aca4ebc5c717 patch
github.com/retspen/webvirtcloud/blob/bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3/instances/api/viewsets.py#L125-L162 technical-description
github.com/retspen/webvirtcloud/blob/bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3/instances/api/viewsets.py#L174-L183 technical-description
hackmd.io/@hieuPenguinnn/webvirtcloud-api-missing-authz-migrate-create technical-description
github.com/retspen/webvirtcloud product
www.vulncheck.com/advisories/webvirtcloud-through-commit-bb920b0-missing-authorization-in-rest-api-migrate-and-create-endpoints third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.