CVE-2026-23738

LOW

3.5

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.

CVE Details

CVSS v3.1 Score3.5

SeverityLOW

CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/6/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

sangoma:asterisksangoma:certified_asterisk

Weaknesses (CWE)

CWE-79

References

https://github.com/asterisk/asterisk/security/advisories/GHSA-v6hp-wh3r-cwxh(security-advisories@github.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.