CVE WatchJul 1, 2026

CVE-2026-56331

Capgo before 12.128.2 contains improper error handling in the /private/accept_invitation endpoint that returns HTTP 500 instead of safe 4xx

CVSS

5.3

Medium

EPSS

0.3%

p16

KEV

—

Exploit Today

0-100

Published: Jun 30, 2026 · Last modified: Jul 1, 2026 · CWE-209

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-07-012026-07-20

Technical 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.

Official references

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