CVE-2026-56257 | THREATINT

Description

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.owner_org unchanged, enabling old-org keys to retain access to version data while new-org keys control the app record.

PUBLISHED Reserved 2026-06-19 | Published 2026-06-24 | Updated 2026-06-25 | Assigner VulnCheck

HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Problem types

Improper Access Control

Product status

Default status

unaffected

Any version before 12.128.2

affected

12.128.2 (semver)

unaffected

Credits

Judel777 reporter

References

github.com/.../capgo/security/advisories/GHSA-v9jp-r5wh-qqcp exploit

github.com/.../capgo/security/advisories/GHSA-v9jp-r5wh-qqcp (GitHub Security Advisory (GHSA-v9jp-r5wh-qqcp)) vendor-advisory

www.vulncheck.com/...ip-transfer-via-direct-postgrest-update (VulnCheck Advisory: Capgo - Authorization Bypass in App Ownership Transfer via Direct PostgREST Update) third-party-advisory

cve.org (CVE-2026-56257)

nvd.nist.gov (CVE-2026-56257)

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