CVE-2026-56240

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

ProductCapgo

PublishedJul 11, 2026

First seenJul 11, 2026

Weakness typeCWE-285CWE-285

How to fix

Update

Capgo Capgo12.128.12 or later

Vendor advisories

github.com/Cap-go/capgo/security/advisories/GHSA-g9fc-82c2-p2r6

Affected products

Product	Affected versions	Fixed in
Capgo Capgo	v < 12.128.12	12.128.12

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