CVE-2026-56300

highCVSS 7.5covered by 1 sourcefirst seen 2026-06-30

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.

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Exploitation outlook

Low exploitation risk0.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-56300: Capgo before 12.128.2 contains unauthenticated security definer RPC functions get_user_id and …nvd · 2026-06-30

External references

NVD record for CVE-2026-56300

CVE.org record

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