Medium severity5.4NVD Advisory· Published Oct 5, 2026
CVE-2026-105396
CVE-2026-105396
Description
Heym before v0.0.112 contains a token leakage vulnerability in build_public_base_url() that allows unauthenticated attackers to redirect HITL review links by spoofing Origin or X-Forwarded-Host headers. Attackers can trigger anonymous workflows with forged headers so reviewer notifications point to attacker domains, capturing capability tokens to submit decisions executed with owner credentials.
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Affected products
2Patches
Vulnerability mechanics
References
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