CVE-2026-56216

critical

Description

Capgo before 12.128.2 contains a scope escalation vulnerability in the POST /functions/v1/apikey endpoint that allows app-limited API keys to mint unrestricted keys by setting empty limits. Attackers with a compromised app-limited key can create an unrestricted key with org-wide access to resources like app listings and other protected endpoints.

References

https://www.vulncheck.com/advisories/capgo-scope-escalation-via-api-key-creation-in-functions-v1-apikey

https://github.com/Cap-go/capgo/security/advisories/GHSA-2ff8-7h96-hwfp

Details

Source: Mitre, NVD

Published: 2026-06-20

Updated: 2026-06-20

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical