What is GHSA-994r-m5r3-f3p9?

GHSA-994r-m5r3-f3p9 is a security advisory published by GitHub Security Advisories with Medium severity. Capgo before 12.128.2 contains improper error handling in the /private/accept_invitation endpoint...

Which CVE IDs does GHSA-994r-m5r3-f3p9 cover?

GHSA-994r-m5r3-f3p9 covers the following CVE IDs: CVE-2026-56331. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-994r-m5r3-f3p9?

GHSA-994r-m5r3-f3p9 has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-994r-m5r3-f3p9MediumCVSS 5.3

Capgo before 12.128.2 contains improper error handling in the /private/accept_invitation endpoint...

Vendor

GitHub Security Advisories

Published

July 1, 2026

Last Modified

July 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-56331 →

📋 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.

🔗 References (4)

https://github.com/Cap-go/capgo/security/advisories/GHSA-34p8-fh3m-376x
https://nvd.nist.gov/vuln/detail/CVE-2026-56331
https://www.vulncheck.com/advisories/capgo-improper-error-handling-in-accept-invitation-endpoint-via-invalid-magic-string
https://github.com/advisories/GHSA-994r-m5r3-f3p9