CVE-2026-23738Asterisk is an open source private branch exchange and telephony toolkit.
Updated under an hour ago ()
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It affects sangoma asterisk and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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
- 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sangoma asterisk sangoma:asterisk | through 20.18.2; from 21.0.0 through 21.12.1; from 22.0.0 through 22.8.2; from 23.0.0 before 23.2.2 | NVD |
sangoma certified_asterisk sangoma:certified_asterisk | through 18.9; 20.7; 20.7; 20.7; 20.7; 20.7; 20.7; 20.7; and 3 more ranges | NVD |
References
- https://github.com/asterisk/asterisk/security/advisories/GHSA-v6hp-wh3r-cwxhvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.