The vulnerability of the print_hex_string() function in the Wazuh intrusion detection and prevention system allows a perpetrator to execute arbitrary code.
🗓️ 13 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 21 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-28221 | 29 Apr 202617:53 | – | attackerkb |
 | CVE-2026-28221 | 30 Apr 202604:07 | – | circl |
 | Wazuh 安全漏洞 | 29 Apr 202600:00 | – | cnnvd |
 | CVE-2026-28221 | 29 Apr 202617:53 | – | cve |
 | CVE-2026-28221 Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted print_hex_string() due to signed char promotion on x86_64 | 29 Apr 202617:53 | – | cvelist |
 | EUVD-2026-26270 | 29 Apr 202617:53 | – | euvd |
 | CVE-2026-28221 | 29 Apr 202619:16 | – | nvd |
 | PT-2026-35966 | 29 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-28221: Stack-based Buffer Overflow | 29 Apr 202600:00 | – | rapid7 |
 | CVE-2026-28221 | 5 Jun 202619:29 | – | redhatcve |
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13 May 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 26.4
CVSS 36.5
EPSS0.00572