What is CVE-2026-56331?

CVE-2026-56331 is a medium-severity vulnerability in Capgo, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-06-30.

How severe is CVE-2026-56331?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Capgo

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 errors when magic_invite_string is invalid. Attackers can trigger this vulnerability using only the…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56331?: CVE-2026-56331 is a medium-severity vulnerability in Capgo, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-06-30.
How severe is CVE-2026-56331?: Medium severity. CVSS v3 base score is 5.3 out of 10.