Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-101049 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h CISA-ADP
https://github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83 [email protected]
https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h [email protected]
https://www.vulncheck.com/advisories/heym-before-0.0.53-slack-webhook-signature-verification-bypass [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-101049
NVD Published Date:
Sep 27, 2026
NVD Last Modified:
Sep 28, 2026
Source:
[email protected]
CVE-2026-101049 Details - Not Deferred