CVE-2026-109362GHSA-pwr6-6377-3cgv
Heym v0.0.5 before v0.0.113 Broken Access Control via Workflow Execution Tokens
heymrun heym
CVSS
5.3MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 15 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 0.0.113heymCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
Heym v0.0.5 before v0.0.113 contains a broken access control vulnerability that allows former collaborators to keep executing JWT-auth workflows by reusing scoped workflow:execute tokens after share removal. Attackers can mint a token with a TTL up to 10 years, which the owner cannot list or revoke, and repeatedly run the workflow consuming shared credentials.
Text from CVE List
Affected versions 2
- heymaffected: 0.0.5 before 0.0.113CVE List
- heymunaffected: 0.0.113CVE List