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    CVE-2026-56213

    Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into version_meta for any app_id. Attackers can exploit this by calling the RPC endpoint with a public anon key to poison storage metrics, causing persistent false data in dashboards and triggering incorrect alerts across victim applications.

    Published:Jun 20, 2026
    Last Modified:Jun 24, 2026
    EPS:Jun 20, 2026
    EPSS Score:0.00235
    CVSS Score:5.3

    Affected Products

    Vendor
    Cap-go
    Product
    Cap-go

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-56252 (CVSS 5.3) — Capgo before 12.128.2 contains a scope isolation vulnerability in the POST /webhooks/test endpoint that allows…
    CVE-2026-56241 (CVSS 7.2) — Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted super_admin users retain acc…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High