CVE-2026-56240
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Capgo | Capgo | 0 < 12.128.12 | affected |
| Capgo | Capgo | 12.128.12 | unaffected |
Weaknesses
- CWE-285: Improper Authorization
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-g9fc-82c2-p2r6
- https://www.vulncheck.com/advisories/capgo-billing-authorization-bypass-via-exhausted-usage-credits
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