CVE-2026-56293: Access Control Flaw (CVSS 5.4)

Description

Capgo before 12.128.2 contains an authorization flaw in transfer_app() that fails to update deploy_history.owner_org when transferring applications between organizations. Attackers can exploit this omission to retain unauthorized access to deployment history records in the source organization or cause the destination organization to lose access to transferred application deployment records.

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CVSS v3.1 Score

5.4

MEDIUM

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

EPSS — Exploit Prediction

0.0014

Probability of exploitation

0.04%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-285 CWE-285

References

Other References

https://github.com/Cap-go/capgo/security/advisories/GHSA-854w-xj7g-prv3 https://www.vulncheck.com/advisories/capgo-stale-cross-organization-authorization-via-incomplete-deploy-history-update-in-transfer-app https://github.com/Cap-go/capgo/security/advisories/GHSA-854w-xj7g-prv3

Frequently Asked Questions

What is CVE-2026-56293? +

Capgo before 12.128.2 contains an authorization flaw in transfer_app() that fails to update deploy_history.owner_org when transferring applications between organizations. Attackers can exploit this omission to retain unauthorized access to deployment history records in the source organization or cause the destination organization to lose access to transferred application deployment records. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-56293? +

CVE-2026-56293 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0014, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-56293? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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