Auth bypass in Killbill
CVE-2026-85213
Kill Bill through 0.24.21 fails to enforce permission annotations on several AdminResource endpoints including getQueueEntries, invalidatesCache, and putOutOfRotation. Authenticated users with minimal account:read permissions can read internal queues, flush server caches, and disable the server by putting the host out of rotation.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/killbill/killbill (product)
- AdminResource.java at killbill-0.24.21 (technical-description)
- GitHub Issue #2251 (issue-tracking)
- VulnCheck Advisory: Kill Bill through 0.24.21 Missing Authorization on AdminResource Endpoints (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85213?
- CVE-2026-85213 is a high-severity vulnerability in Killbill, classified under Missing Authorization. CVSS score: 7.6/10. Published 2026-09-03.
- How severe is CVE-2026-85213?
- High severity. CVSS v3 base score is 7.6 out of 10.