CVE-2026-56241: Access Control Flaw (CVSS 8.3)

Description

Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted super_admin users retain access to delete_non_compliant_bundles and count_non_compliant_bundles RPCs due to stale org_users.user_right column not being cleared during role binding deletion. Attackers can exploit this by maintaining a previously granted super_admin role to enumerate and bulk delete non-compliant bundles across the entire organization indefinitely.

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CVSS v3.1 Score

8.3

HIGH

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

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

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-rvvc-rvxv-qcrh https://www.vulncheck.com/advisories/capgo-rbac-demotion-privilege-retention-via-stale-org-users-user-right https://github.com/Cap-go/capgo/security/advisories/GHSA-rvvc-rvxv-qcrh

Frequently Asked Questions

What is CVE-2026-56241? +

Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted super_admin users retain access to delete_non_compliant_bundles and count_non_compliant_bundles RPCs due to stale org_users.user_right column not being cleared during role binding deletion. Attackers can exploit this by maintaining a previously granted super_admin role to enumerate and bulk delete non-compliant bundles across the entire organization indefinitely. It has a CVSS v3.1 base score of 8.3 (HIGH).

How severe is CVE-2026-56241? +

CVE-2026-56241 has a CVSS v3.1 score of 8.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-56241? +

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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