CVE-2026-56300 · Symaro Security Advisory

Description

Capgo before 12.128.2 contains unauthenticated security definer RPC functions get_user_id and get_org_perm_for_apikey that expose API key validity oracles and user UUID disclosure. Unauthenticated attackers using the public API key can validate leaked keys, enumerate users and apps, and determine permission levels, significantly increasing the actionability of compromised credentials.

Severity (CVSS)

Base score	8.7
Severity	High
Version	CVSS 4.0
Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Provided by	CNA

Weaknesses

CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor

Affected products

Vendor	Product	Versions
Capgo	Capgo	0 to <12.128.2; 12.128.2

References

https://github.com/Cap-go/capgo/security/advisories/GHSA-7r6g-whg3-5mm4 (vendor-advisory)
https://www.vulncheck.com/advisories/capgo-unauthenticated-api-key-validity-and-permission-oracle-via-rpc-functions (third-party-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 01 Jul 2026 07:05 UTC.