Cap-go capgo up to 12.128.11 /private/devices control flow

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k2.52+

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cap-go capgo up to 12.128.11. This affects an unknown function of the file /private/devices. Executing a manipulation can lead to control flow. This vulnerability is handled as CVE-2026-56307. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Cap-go capgo up to 12.128.11. This vulnerability affects some unknown functionality of the file /private/devices. The manipulation with an unknown input leads to a control flow vulnerability. The CWE definition for the vulnerability is CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. As an impact it is known to affect availability. CVE summarizes:

Cap-go before 12.128.12 contains a broken cursor pagination vulnerability in the /private/devices endpoint on the Cloudflare/workerd path that allows authenticated attackers to cause duplicate-page loops and make later rows unreachable. Attackers with app.read_devices access can exploit non-advancing cursor filters to trigger infinite pagination loops, prevent dataset traversal, and cause repeated processing in device-management workflows.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-56307 since 06/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Upgrading to version 12.128.12 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-38124). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Control flow
CWE: CWE-670
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: capgo 12.128.12

Timelineinfo

06/20/2026 Advisory disclosed
06/20/2026 +0 days CVE reserved
06/20/2026 +0 days VulDB entry created
06/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-8p6w-x7jg-v4xq
Status: Confirmed

CVE: CVE-2026-56307 (🔒)
GCVE (CVE): GCVE-0-2026-56307
GCVE (VulDB): GCVE-100-372556
EUVD: 🔒

Entryinfo

Created: 06/20/2026 18:55
Updated: 06/20/2026 19:47
Changes: 06/20/2026 18:55 (76), 06/20/2026 19:47 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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