CVE-2026-23738 – The Asterisk embedded web server ‘s /httpstatus page echos user supplied values(cookie and query string) without sanitization

CVE ID : CVE-2026-23738

Published : Feb. 6, 2026, 4:41 p.m. | 37 minutes ago

Description : Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. The endpoint at GET /httpstatus is the potential vulnerable endpoint relating to asterisk/main /http.c. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2.

Severity: 0.0 | NA

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