5.3
MEDIUM CVSS 4.0
CVE-2026-56310
Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass
Description

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

INFO

Published Date :

June 24, 2026, 11:53 a.m.

Last Modified :

June 24, 2026, 11:53 a.m.

Remotely Exploit :

Yes !

Source :

VulnCheck
Affected Products

The following products are affected by CVE-2026-56310 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Cap-go to version 12.128.2 or later to fix the authorization bypass.
  • Update Cap-go to version 12.128.2 or later.
  • Review API key permissions and access controls.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-56310 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.