Medium severity6.5NVD Advisory· Published Sep 27, 2026

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.

Affected products

Heymrun/Heymllm-fuzzy
Range: <0.0.53

Patches

Vulnerability mechanics

References

github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83nvd
github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38hnvd
www.vulncheck.com/advisories/heym-before-0.0.53-authentication-bypass-via-telegram-webhooknvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000