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CVE-2026-23920

🗓️ 24 Mar 2026 18:27:52Reported by ZabbixType 
cve
 cve
🔗 web.nvd.nist.gov👁 182 Views

CVE-2026-23920: Multiline regex with anchors bypasses input validation and allows command injection.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23920
24 Mar 202618:27
–attackerkb
bdu_fstec
BDU FSTEC
Zabbix Command Injection
27 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-23920
25 Mar 202614:35
–circl
cnnvd
CNNVD
Zabbix security vulnerabilities
24 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-23920 Host and event action script regex validation can be bypassed in certain situations, leading to potential command injection
24 Mar 202618:27
–cvelist
debiancve
Debian CVE
CVE-2026-23920
24 Mar 202618:27
–debiancve
euvd
EUVD
EUVD-2026-14952
24 Mar 202621:31
–euvd
nvd
NVD
CVE-2026-23920
24 Mar 202619:16
–nvd
osv_cve
osv_cve
CVE-2026-23920
24 Mar 202619:16
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-23920
24 Mar 202619:16
–osv_debian
Rows per page
NVD
Node
OR
zabbixzabbixRange7.0.0–7.0.22
zabbixzabbixRange7.2.0–7.2.15
zabbixzabbixRange7.4.0–7.4.6
[
  {
    "vendor": "Zabbix",
    "product": "Zabbix",
    "repo": "https://git.zabbix.com/",
    "modules": [
      "Server",
      "Proxy"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "7.0.0",
        "lessThanOrEqual": "7.0.21",
        "changes": [
          {
            "at": "7.0.22",
            "status": "unaffected"
          }
        ],
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "7.2.0",
        "lessThanOrEqual": "7.2.14",
        "changes": [
          {
            "at": "7.2.15",
            "status": "unaffected"
          }
        ],
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "7.4.0",
        "lessThanOrEqual": "7.4.5",
        "changes": [
          {
            "at": "7.4.6",
            "status": "unaffected"
          }
        ],
        "versionType": "git"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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10 Sep 2026 21:15Current
7.8High risk
Vulners AI Score7.8
CVSS 3.18.8
CVSS 47.7
EPSS0.00308
SSVC
182