VYPR
← All advisories
Low severity3.5NVD Advisory· Published Feb 6, 2026· Updated Jun 17, 2026

CVE-2026-23738

CVE-2026-23738

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

14
  • Freepbx/Asterisk
    cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*
    Range: <=20.18.2
  • Freepbx/Certified Asterisk11 versions
    cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:*+ 10 more
    • cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:*range: <=18.9
    • 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:cert1:*:*:*:*:*:*
    • 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:*:*:*:*:*:*
  • Asterisk/Asteriskllm-fuzzy2 versions
    before 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2+ 1 more
    • (no CPE)range: before 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2
    • (no CPE)range: < 23.2.2

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.