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CVE-2026-56311

5.3 · MEDIUM

Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.get_current_plan_max_org RPC function that allows unauthenticated attackers to retrieve arbitrary organization pla…

Published Jun 22, 2026CWE-285EPSS 0.36%

Overview

CVE-2026-56311 is a medium-severity vulnerability. It was published on June 22, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.get_current_plan_max_org RPC function that allows unauthenticated attackers to retrieve arbitrary organization plan limits. Attackers can call the RPC endpoint with any organization UUID using only the public Supabase key to disclose billing information including MAU, bandwidth, storage, and build time limits for any organization.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/Cap-go/capgo/security/advisories/GHSA-v3jp-r95g-x4mmRefwww.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-disclosure-via-get-current-plan-max-org-rpcGitHubgithub.com/Cap-go/capgo/security/advisories/GHSA-v3jp-r95g-x4mm

How CyberStrike helps

Frequently asked questions

What is CVE-2026-56311?

CVE-2026-56311 is a medium-severity vulnerability. It was published on June 22, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-56311?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-56311?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-56311?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-56311 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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