CVE-2026-56324
Capgo - Rate Limit Bypass via User-Controlled device_id Parameter
- State
- Published
- Severity
- 8.8 High
- Published
- Jun 22, 2026
- Updated
- Jun 24, 2026
- Reserved
- Jun 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H | VulnCheck |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
CapgoCapgo |
|
References
- GitHub Security Advisory (GHSA-77p2-9rcr-5w27)vendor-advisory
- VulnCheck Advisory: Capgo - Rate Limit Bypass via User-Controlled device_id Parameterthird-party-advisory
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