VULNERABILITY INTELLIGENCE

CVE-2026-23738

CVSS score3.5 LOW
EPSS probability0.19%
CISA KEVNot currently listed
Published2026-02-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references