Vulnerability Description
Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the plan_valid calculation that allows organizations with exhausted or expired usage credit grants to bypass billing gates. Attackers can exploit the divergence between the plugin hot-path plan_valid expression and the authoritative billing gate to gain continued access to /updates, /stats, /channel_self, and attachment upload endpoints after credit depletion.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-g9fc-82c2-p2r6
- https://www.vulncheck.com/advisories/capgo-billing-authorization-bypass-via-exha
- https://github.com/Cap-go/capgo/security/advisories/GHSA-g9fc-82c2-p2r6
FAQ
What is CVE-2026-56240?
CVE-2026-56240 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the plan_valid calculation that allows organizations with exhausted or expired usage credit grants to bypass billing gat...
How severe is CVE-2026-56240?
CVE-2026-56240 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56240?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.