CVE-2026-101050
published 2026-09-27CVE-2026-101050: 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…
PriorityP346medium6.5CVSS 3.1
AVNACHPRNUINSUCLIHAN
EPSS
0.30%
20.4th percentile
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
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| heymrun | heym | < 0.0.53 | 0.0.53 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
nvdv4.08.3HIGHCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Heymrun Heym up to 0.0.52 Webhook Endpoint credential_id/secret_token improper authentication
vuldb·2026-09-27·CVSS 6.5
CVE-2026-101050 [MEDIUM] Heymrun Heym up to 0.0.52 Webhook Endpoint credential_id/secret_token improper authentication
A vulnerability was found in Heymrun Heym up to 0.0.52. It has been classified as critical. This vulnerability affects unknown code of the component Webhook Endpoint. Performing a manipulation of the argument credential_id/secret_token results in improper authentication.
This vulnerability is cataloged as CVE-2026-101050. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is recommended.
GHSA
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.
ghsa_unreviewed·2026-09-27
CVE-2026-101050 [HIGH] CWE-287 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.
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38hhttps://www.vulncheck.com/advisories/heym-before-0.0.53-authentication-bypass-via-telegram-webhookhttps://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h
2026-09-27
Published