CVE-2026-100861
heym before 0.0.105 SSRF via credential-controlled base URLs
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 27, 2026
- Updated
- Sep 28, 2026
- Reserved
- Sep 27, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L | VulnCheck |
| 3.1 | 5.0 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
heymheymrun |
|
References
- GitHub Security Advisory (GHSA-xchj-mw74-2232)vendor-advisory
- VulnCheck Advisory: heym before 0.0.105 SSRF via credential-controlled base URLsthird-party-advisory
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