CVE-2026-100861

heym before 0.0.105 fails to apply egress guards to integration services that use credential-supplied base URLs, allowing authenticated users to bypass SSRF protections. Attackers can configure credentials pointing to loopback, private, or cloud-metadata addresses and read internal service responses returned as workflow node output.

CVSS v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/heymrun/heym/security/advisories/GHSA-xchj-mw74-2232
https://www.vulncheck.com/advisories/heym-before-0.0.105-ssrf-via-credential-controlled-base-urls
https://github.com/heymrun/heym/security/advisories/GHSA-xchj-mw74-2232

Configurations

No configuration.

History

28 Sep 2026, 14:17

Type	Values Removed	Values Added
References	~~() https://github.com/heymrun/heym/security/advisories/GHSA-xchj-mw74-2232 -~~	() https://github.com/heymrun/heym/security/advisories/GHSA-xchj-mw74-2232 -

27 Sep 2026, 02:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-27 02:17

Updated : 2026-09-28 20:57

NVD link : CVE-2026-100861

Mitre link : CVE-2026-100861

CVE.ORG link : CVE-2026-100861

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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