CVE-2026-85213
Received Received - Intake

Authenticated Admin Actions in Kill Bill

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: VulnCheck

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.

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-85213
EUVD
EUVD-2026-70491

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kill_bill kill_bill to 0.24.21 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

Kill Bill through version 0.24.21 fails to enforce permission checks on several AdminResource endpoints. Authenticated users with minimal account:read permissions can exploit this to read internal queues, flush server caches, and disable the server by putting the host out of rotation.

Detection Guidance

Check Kill Bill server logs for unauthorized access to endpoints like /admin/getQueueEntries, /admin/invalidatesCache, or /admin/putOutOfRotation. Monitor for unusual cache flushes or server state changes. Review authentication logs for users with minimal permissions accessing admin functions.

Impact Analysis

An attacker could disrupt server operations by disabling it or clearing caches. They may also access sensitive internal queue data, potentially exposing confidential information. Financial transactions could be manipulated if payment state updates are improperly authorized.

Mitigation Strategies

Upgrade Kill Bill to a version that enforces proper permission checks on AdminResource endpoints. Temporarily restrict access to admin endpoints via network controls or firewall rules. Review and audit user permissions to ensure least privilege access.

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