What is CVE-2026-56257?

CVE-2026-56257 is a high-severity vulnerability in Capgo, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-06-24.

How severe is CVE-2026-56257?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Capgo

CVE-2026-56257

Capgo before 12.128.2 allows direct patching of public.apps.owner_org through PostgREST, bypassing the transfer_app() workflow and creating split-brain ownership. Attackers can directly update apps.owner_org while leaving app_versions.owne…

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-56257?: CVE-2026-56257 is a high-severity vulnerability in Capgo, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-06-24.
How severe is CVE-2026-56257?: High severity. CVSS v3 base score is 7.1 out of 10.