CVE-2026-56324

High

Description

Capgo before 12.128.2 contains a rate limit bypass vulnerability in the channel_self endpoint that allows attackers to circumvent rate limiting by rotating the user-controlled device_id parameter. Attackers can send multiple requests per second by changing device_id values to flood the channel_devices table and cause database exhaustion.

SeverityHigh

CVSS8.2

Exploit probability—

ProductCapgo

PublishedJun 22, 2026

First seenJun 22, 2026

Weakness typeCWE-770Allocation of resources without limits

How to fix

Update

Capgo Capgo12.128.2 or later

Vendor advisories

github.com/Cap-go/capgo/security/advisories/GHSA-77p2-9rcr-5w27

Affected products

Product	Affected versions	Fixed in
Capgo Capgo	v < 12.128.2	12.128.2

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