CVE-2026-56240 Capgo - Billing Authorization Bypass via Exhausted Usage Credits
Attackers can bypass billing gates to access update and statistics endpoints after usage credits are exhausted.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56240?
CVE-2026-56240 is a medium-severity missing authorization vulnerability in Capgo, published on 11 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-285
Which versions are affected by CVE-2026-56240?
How do I fix CVE-2026-56240?
No fix has been published for CVE-2026-56240 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-56240 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56240 exists.
Sources
Also known as GHSA-g9fc-82c2-p2r6, GHSA-x26j-344h-cfr3.