CVE-2026-23738

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.

CVSS v3 3.5 LOW

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/asterisk/asterisk/security/advisories/GHSA-v6hp-wh3r-cwxh	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sangoma:asterisk::::::::
	cpe:2.3:a:sangoma:asterisk::::::::
	cpe:2.3:a:sangoma:asterisk::::::::
	cpe:2.3:a:sangoma:asterisk::::::::
	cpe:2.3:a:sangoma:certified_asterisk::::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc1::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc2::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert2::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert3::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert4::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert5::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert6::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert7::::::
	cpe:2.3:a:sangoma:certified_asterisk:20.7:cert8::::::

History

No history.

Information

Published : 2026-02-06 17:16

Updated : 2026-02-18 18:42

NVD link : CVE-2026-23738

Mitre link : CVE-2026-23738

CVE.ORG link : CVE-2026-23738

JSON object : View

Products Affected

sangoma

asterisk
certified_asterisk

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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