{"id":"CVE-2026-101050","summary":"Heym before 0.0.53 Authentication Bypass via Telegram Webhook","details":"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.","aliases":["CVE-2026-100865","CVE-2026-101049","GHSA-pm6h-x3h5-j38h"],"modified":"2026-09-28T03:55:45.989158278Z","published":"2026-09-27T16:28:28.766Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101050.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-287"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101050.json"},{"type":"FIX","url":"https://github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83"},{"type":"ADVISORY","url":"https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101050"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/heym-before-0.0.53-authentication-bypass-via-telegram-webhook"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/heymrun/heym","events":[{"introduced":"0"},{"fixed":"a8ff9b0ed2a0e87a1b66be56ca0a0ea877e19402"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"fixed":"0.0.53"}]}}],"versions":["v0.0.52","v0.0.51","v0.0.50","v.0.0.49","v0.0.48","v0.0.47","v0.0.46","v0.0.45","v0.0.44","v0.0.43","v0.0.42","v0.0.41","v0.0.40","v0.0.39","v0.0.38","v0.0.37","v0.0.36","v0.0.35","v0.0.34","v0.0.33","v0.0.32","v0.0.31","v0.0.30","v0.0.29","v0.0.27","v0.0.26","v0.0.25","v0.0.24","v0.0.23","v0.0.22","v0.0.21","v0.0.20","v0.0.19","v0.0.18","v0.0.17","v0.0.16","v0.0.15","v0.0.14","v0.0.13","v0.0.12","v0.0.11","v0.0.10","v0.0.9","v0.0.8","v0.0.7","v0.0.6","v0.0.5","v0.0.4","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-101050.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N"}]}