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Medium · 5.4 CVE-2026-109362 EUVD-2026-97664GHSA-7v8m-98rf-rgvw

Heym v0.0.5 before v0.0.113 Broken Access Control via Workflow Execution Tokens

Published Oct 12, 2026 · Updated Oct 15, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
heymrun heym 0.0.5 – < 0.0.113 0.0.113

References