Auth bypass in Capgo
CVE-2026-56320
Capgo before 12.128.2 contains an authorization flaw in POST /private/create_device that accepts a caller-supplied org_id parameter without validating it matches the target app's owner organization. Authenticated attackers can create device records for an application using a foreign organization identifier, bypassing the intended org/app authorization boundary.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Capgo — versions 0, 12.128.2
Weakness classification (CWE)
References
- github.com/Cap-go/capgo/security/advisories/GHSA-mhrc-qhq8-872f (vendor-advisory)
- www.vulncheck.com/advisories/capgo-org-app-scope-mismatch-in-device-creation-en… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56320?
- CVE-2026-56320 is a high-severity vulnerability in Capgo, classified under Improper Authorization. CVSS score: 7.1/10. Published 2026-06-30.
- How severe is CVE-2026-56320?
- High severity. CVSS v3 base score is 7.1 out of 10.