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Vulnerability record · CVE-2026-56250 · published 8 July 2026

CVE-2026-56250: Missing authorization vulnerability

Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.

8.7 CVSS 4.0 High EPSS 0.45% · top 63.3% CWE-862 · Missing authorization Deferred
8.7CVSS 4.0 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Jul 2026Last modified by NVD

Description

Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
https://www.vulncheck.com/advisories/capgo-arbitrary-r2-object-deletion-via-mutable-r2-path-in-app-versions
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3

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Source: NIST National Vulnerability Database (record CVE-2026-56250), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.