CVE-2026-56216
HIGHCapgo - Scope Escalation via API Key Creation in /functions/v1/apikey
Title source: cnaDescription
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 (2)
Core 2
Core References
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Scope Escalation via API Key Creation in /functions/v1/apikey
https://www.vulncheck.com/advisories/capgo-scope-escalation-via-api-key-creation-in-functions-v1-apikey
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-2ff8-7h96-hwfp
https://github.com/Cap-go/capgo/security/advisories/GHSA-2ff8-7h96-hwfp
Scores
CVSS v3
8.8
EPSS
0.0025
EPSS Percentile
16.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-269
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 20, 2026
Tracked Since
Jun 20, 2026