Auth bypass in Capgo
CVE-2026-56295
Capgo before 12.128.2 contains an authorization bypass vulnerability in webhook management endpoints that allows non-expiring API keys to bypass the require_apikey_expiration organization policy. The checkWebhookPermission function fails to call apikeyHasOrgRightWithPolicy, enabling attackers with legacy non-expiring keys to list, create, and delete webhooks despite explicit organizational policy requiring key expiration.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% 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-vwpp-cqv5-cmfm (vendor-advisory)
- www.vulncheck.com/advisories/capgo-policy-enforcement-bypass-in-webhook-managem… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56295?
- CVE-2026-56295 is a medium-severity vulnerability in Capgo, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-06-20.
- How severe is CVE-2026-56295?
- Medium severity. CVSS v3 base score is 6.3 out of 10.