Vulnerability DatabaseCVE-2026-56324
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CVE-2026-56324
Published:June 22, 2026
Updated:June 29, 2026
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.
Affected Packages
https://github.com/Cap-go/capgo.git (GITHUB):
Affected version(s) >=v1.344.0 <12.128.2
Fix Suggestion:
Update to version 12.128.2
Related Resources (2)
https://www.vulncheck.com/advisories/capgo-rate-limit-bypass-via-user-controlled-device-id-parameter
https://github.com/Cap-go/capgo/security/advisories/GHSA-77p2-9rcr-5w27
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770
EPSS
Base Score:
0.27