---
title: "CVE-2026-58255: Cronicle - Privilege Escalation"
description: "Cronicle < 0.9.121 contains a privilege escalation caused by injection of top-level uid and gid fields via API endpoints, letting non-admin users run jobs as arbitrary users including root, exploit requires non-admin user or scoped API key with create_events and run_events privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-58255/
---

# CVE-2026-58255 Cronicle - Privilege Escalation

Cronicle < 0.9.121 contains a privilege escalation caused by injection of top-level uid and gid fields via API endpoints, letting non-admin users run jobs as arbitrary users including root, exploit requires non-admin user or scoped API key with create\_events and run\_events privileges.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.41% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-58255)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Update to version 0.9.121 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-58255](https://nvd.nist.gov/vuln/detail/CVE-2026-58255)
- [https://github.com/jhuckaby/Cronicle/commit/f3d3550d0f3fe89bab52d3788f0db1dd10860df2](https://github.com/jhuckaby/Cronicle/commit/f3d3550d0f3fe89bab52d3788f0db1dd10860df2)
- [https://github.com/jhuckaby/Cronicle/releases/tag/v0.9.121](https://github.com/jhuckaby/Cronicle/releases/tag/v0.9.121)
- [https://github.com/jhuckaby/Cronicle/security/advisories/GHSA-9xpg-9w3g-mpwj](https://github.com/jhuckaby/Cronicle/security/advisories/GHSA-9xpg-9w3g-mpwj)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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