CVE-2026-101050
Heym before 0.0.53 Authentication Bypass via Telegram Webhook
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | heymrun |
| Product | heym |
| Published | Sep 27, 2026 |
| Last Updated | Sep 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
None
Affected Versions
heymrun / heym
0 < 0.0.53
References
Credits
okcomputerfan mbakgun