CVE-2026-56216
HIGH EPSS 16.3%
Published Jun 20, 20261w ago · Modified Jun 22, 20261w ago
8.7 CVSS 4.0
Published Jun 20, 2026 1w ago
Last Modified Jun 22, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
16.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-269 Improper Privilege Management Authorization
References 2
- github.com https://github.com/Cap-go/capgo/security/advisories/GHSA-2ff8-7h96-hwfp
- vulncheck.com https://www.vulncheck.com/advisories/capgo-scope-escalation-via-api-key-creation-in-functions-v1-apikey
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.