CVE-2026-23934

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Source
https://cve.org/CVERecord?id=CVE-2026-23934
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23934.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-23934
Downstream
Published
2026-08-18T13:17:21Z
Modified
2026-09-25T08:11:21Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.

References

Affected packages

Git / github.com/zabbix/zabbix

Affected ranges

Type
GIT
Repo
https://github.com/zabbix/zabbix
Events
Introduced
372a4e93c48ecd25aa666949a055a02369031861
Fixed
63588e12eb23a212c837dbbacb005949673b353a
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "7.4.0"
        },
        {
            "fixed":  "7.4.12"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

7.*
7.4.0
7.4.1
7.4.10
7.4.10rc1
7.4.11
7.4.11rc1
7.4.11rc2
7.4.12rc1
7.4.1rc1
7.4.2
7.4.2rc1
7.4.2rc2
7.4.3
7.4.3rc1
7.4.4
7.4.4rc1
7.4.5
7.4.6
7.4.6rc1
7.4.6rc2
7.4.7
7.4.7rc1
7.4.7rc2
7.4.7rc3
7.4.8
7.4.8rc1
7.4.8rc2
7.4.8rc3
7.4.9
7.4.9rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23934.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "162185643356969056099637373121662685754",
                "301884150383061037293106834306734767993",
                "63167804984895644221201641958791481105",
                "38852671883870847759498189347652476358",
                "282755891262507678007721094843042318317",
                "41809926521244952597844054970073719247"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-23934-bd62128e",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/zabbix/zabbix/commit/63588e12eb23a212c837dbbacb005949673b353a",
        "target":  {
            "file":  "src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"
        }
    }
]
vanir_signatures_modified 
"2026-09-25T08:11:21Z"