CVE-2026-101050

Description

Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credential_id is absent or secret_token is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execute actions on attacker-supplied input.

CVSS Vector

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-authentication-bypass-via-telegram-webhook
• https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h