CVE-2026-56303: high-severity vulnerability in Capgo
Capgo - Unauthenticated API Key Metadata Disclosure via SECURITY DEFINER RPC Function
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.5%
Capgo before 12.128.2 contains an information disclosure vulnerability in the find_apikey_by_value PostgreSQL function marked SECURITY DEFINER and executable by the anon role. Unauthenticated attackers can call this function via the /rest/v1/rpc/find_apikey_by_value endpoint to retrieve sensitive API key metadata including user_id, mode, org scoping, and expiration details when supplied a valid key value.
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
Affected products
Capgo · CapgoRelated CVEs — Capgo
In the same product, most dangerous first.
CVE-2026-56299MEDIUMCapgo - Denial of Service via Unauthenticated OPTIONS Request to /build/upload EndpointEPSS 0.7%CVE-2026-56323HIGHCapgo - Unauthenticated Channel Enumeration and App Oracle via GET /channel_selfEPSS 0.6%CVE-2026-56233HIGHCapgo - SSRF and Privilege Escalation via Path Traversal in Builder Upload ProxyEPSS 0.6%CVE-2026-56286HIGHCapgo - Account Deletion Without Password ConfirmationEPSS 0.5%CVE-2026-56222HIGHCapgo - Cross-Organization App Takeover via Mismatched org_id and app_id in /private/role_bindingsEPSS 0.5%CVE-2026-56237CRITICALCapgo - Unauthenticated API Key Generation via Client-Side Parameter ManipulationEPSS 0.5%