CVE-2026-56324

Capgo - Rate Limit Bypass via User-Controlled device_id Parameter

HIGH
8.2
CVSS Score
Published: June 22, 2026 at 09:04 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorCapgo

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Severity
HIGH8.2
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 12.128.2
Vendor states this is fixed in 12.128.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770

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