Description
Cronicle is a multi-server task scheduler and runner, with a web based front-end UI. Prior to 0.9.124, an authenticated non-admin with run_events, create_events, or edit_events privilege can supply undeclared keys in event params through api_create_event, api_update_event, or api_run_event. lib/api.js and lib/api/event.js validate the parameter object without restricting its keys, and lib/job.js uppercases those keys and applies them to the child process environment after administrator-defined plugin variables. A key that collides with a security-sensitive environment variable can therefore override the plugin execution context and may cause privilege escalation, arbitrary code execution, data access, or service disruption depending on the plugin and runtime. This issue is fixed in version 0.9.124.
Published: 2026-11-05
Score: 9 Critical
EPSS: n/a
KEV: No
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Remediation

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History

Thu, 05 Nov 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Jhuckaby
Jhuckaby cronicle
Vendors & Products Jhuckaby
Jhuckaby cronicle

Thu, 05 Nov 2026 20:45:00 +0000

Type Values Removed Values Added
Description Cronicle is a multi-server task scheduler and runner, with a web based front-end UI. Prior to 0.9.124, an authenticated non-admin with run_events, create_events, or edit_events privilege can supply undeclared keys in event params through api_create_event, api_update_event, or api_run_event. lib/api.js and lib/api/event.js validate the parameter object without restricting its keys, and lib/job.js uppercases those keys and applies them to the child process environment after administrator-defined plugin variables. A key that collides with a security-sensitive environment variable can therefore override the plugin execution context and may cause privilege escalation, arbitrary code execution, data access, or service disruption depending on the plugin and runtime. This issue is fixed in version 0.9.124.
Title Cronicle: Privilege Escalation via Arbitrary Environment Variable Injection through Event Params (Incomplete Fix for CVE-2026-39401)
Weaknesses CWE-74
CWE-863
References
Metrics cvssV4_0

{'score': 9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Subscriptions

Jhuckaby Cronicle
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-11-05T20:28:01.881Z

Reserved: 2026-09-02T21:21:01.776Z

Link: CVE-2026-85076

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T21:18:54.217

Modified: 2026-11-05T21:18:54.217

Link: CVE-2026-85076

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T22:15:14Z

Weaknesses