---
title: "CVE-2026-110873: Heym - Privilege Escalation"
description: "Heym 0.0.55 before 0.0.121 contains a privilege escalation caused by missing error_workflow_id from OWNER_ONLY_EXECUTION_FIELDS, letting shared collaborators overwrite error workflows and exfiltrate owner's decrypted credentials, exploit requires collaborator access."
url: https://panop.io/threat-heartbeat/CVE-2026-110873/
---

# CVE-2026-110873 Heym - Privilege Escalation

Heym 0.0.55 before 0.0.121 contains a privilege escalation caused by missing error\_workflow\_id from OWNER\_ONLY\_EXECUTION\_FIELDS, letting shared collaborators overwrite error workflows and exfiltrate owner's decrypted credentials, exploit requires collaborator access.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-110873)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation, Information Disclosure

CVSS vector

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

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-863](https://cwe.mitre.org/data/definitions/863.html)

## Vendor fix

Upgrade to version 0.0.121 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-2026-110873](https://nvd.nist.gov/vuln/detail/CVE-2026-110873)
- [https://github.com/heymrun/heym/security/advisories/GHSA-c3f4-2mrj-jfqr](https://github.com/heymrun/heym/security/advisories/GHSA-c3f4-2mrj-jfqr)
- [https://www.vulncheck.com/advisories/heym-0.0.55-before-0.0.121-credential-theft-via-error-workflow-id-field](https://www.vulncheck.com/advisories/heym-0.0.55-before-0.0.121-credential-theft-via-error-workflow-id-field)

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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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