CVE-2026-85213: Kill Bill through 0.24.21 Missing Authorization on AdminResource Endpoints

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-09-10
Weakness: CWE-862

Description

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.

Affected products

killbill: through 0.24.21

References

https://github.com/killbill/killbill
https://github.com/killbill/killbill/blob/killbill-0.24.21/jaxrs/src/main/java/org/killbill/billing/jaxrs/resources/AdminResource.java
https://github.com/killbill/killbill/issues/2251
https://www.vulncheck.com/advisories/kill-bill-through-0.24.21-missing-authorization-on-adminresource-endpoints

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