CVE-2026-56324

HIGH EPSS 18.7%

Published Jun 22, 20261w ago · Modified Jun 24, 20266d ago

8.8 CVSS 4.0

High

Published Jun 22, 2026 1w ago

Last Modified Jun 24, 2026 6d ago

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.

CVSS Details

Base Score

8.8

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

18.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-770

References 2

github.com https://github.com/Cap-go/capgo/security/advisories/GHSA-77p2-9rcr-5w27
vulncheck.com https://www.vulncheck.com/advisories/capgo-rate-limit-bypass-via-user-controlled-device-id-parameter

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.