Auth bypass in Capgo
CVE-2026-56313
Capgo before 12.128.2 contains a cross-organization account disruption vulnerability in the SSO prelink endpoint that allows enterprise administrators to delete password identities of users in foreign organizations. Attackers with org.update_settings permission and an active SSO provider can call the prelink-users endpoint to permanently remove email-based authentication for any user matching the provider's email domain, forcing victims to use the attacker's SSO provider or complete password reset recovery.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Capgo — versions 0, 12.128.2
Weakness classification (CWE)
References
- github.com/Cap-go/capgo/security/advisories/GHSA-x3vq-34gg-cwq7 (vendor-advisory)
- www.vulncheck.com/advisories/capgo-cross-organization-account-disruption-via-ss… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56313?
- CVE-2026-56313 is a high-severity vulnerability in Capgo, classified under Improper Authorization. CVSS score: 8.1/10. Published 2026-07-12.
- How severe is CVE-2026-56313?
- High severity. CVSS v3 base score is 8.1 out of 10.