CVE-2026-56240

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

VendorProductVersion RangeStatus
CapgoCapgo0 < 12.128.12affected
CapgoCapgo12.128.12unaffected

Weaknesses

  • CWE-285: Improper Authorization

References