HIGH 8.3 NVD
CVE-2026-101049
Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attacke
Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials.
References
- https://github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83
- https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h
- https://www.vulncheck.com/advisories/heym-before-0.0.53-slack-webhook-signature-verificati
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-09-27 via NVD.
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