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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-56331

Capgo - Improper Error Handling in Accept Invitation Endpoint via Invalid Magic String

Description

Capgo before 12.128.2 contains improper error handling in the /private/accept_invitation endpoint that returns HTTP 500 instead of safe 4xx errors when magic_invite_string is invalid. Attackers can trigger this vulnerability using only the public key by submitting malformed magic_invite_string values to cause server errors and leak internal processing details.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Capgo Capgo

Default version status: unaffected

  • 0 to < 12.128.2affected
  • 12.128.2unaffected

References