CVE-2026-39401
Medium · 5.4CVSS
5.4
EPSS
0.3%
Published
Apr 7, 2026
CISA due date
—
The record
Cronicle is a multi-server task scheduler and runner, with a web based front-end UI. Prior to 0.9.111, jb child processes can include an update_event key in their JSON output. The server applies this directly to the parent event's stored configuration without any authorization check. A low-privilege user who can create and run events can modify any event property, including webhook URLs and notification emails. This vulnerability is fixed in 0.9.111.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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