Improper input validation in Capgo
CVE-2026-56333
Capgo before 12.128.2 contains a server-side validation bypass vulnerability in organization security settings that allows authenticated org admins to persist invalid security policy state. Attackers can bypass backend validation by directly updating the public.orgs table from the browser, circumventing field-level validation checks for max_apikey_expiration_days and other security-sensitive configuration parameters.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% 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-964v-j58v-2q3h (vendor-advisory)
- www.vulncheck.com/advisories/capgo-server-side-validation-bypass-via-direct-bro… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56333?
- CVE-2026-56333 is a medium-severity vulnerability in Capgo, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-06-30.
- How severe is CVE-2026-56333?
- Medium severity. CVSS v3 base score is 4.3 out of 10.