Description
Heym from 0.0.55 before 0.0.121 contains a privilege escalation vulnerability that allows shared collaborators to overwrite a workflow's error_workflow_id because the field is missing from OWNER_ONLY_EXECUTION_FIELDS. Attackers can point the error workflow to their own workflow with an HTTP node, and when the parent workflow errors the owner's decrypted credentials are injected and exfiltrated.
Published: 2026-10-14
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Wed, 14 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
Description Heym from 0.0.55 before 0.0.121 contains a privilege escalation vulnerability that allows shared collaborators to overwrite a workflow's error_workflow_id because the field is missing from OWNER_ONLY_EXECUTION_FIELDS. Attackers can point the error workflow to their own workflow with an HTTP node, and when the parent workflow errors the owner's decrypted credentials are injected and exfiltrated.
Title Heym 0.0.55 before 0.0.121 Credential Theft via error_workflow_id Field
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-14T22:53:01.452Z

Reserved: 2026-10-14T22:21:21.397Z

Link: CVE-2026-110873

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-14T23:17:29.237

Modified: 2026-10-14T23:17:29.347

Link: CVE-2026-110873

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T12:00:18Z

Weaknesses