CVE-2026-33456

Source
https://cve.org/CVERecord?id=CVE-2026-33456
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33456.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-33456
Downstream
Published
2026-04-10T08:31:27.807Z
Modified
2026-07-08T07:32:33.897117182Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Potential livestatus injection in notification test
Details

Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.

Database specific
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.5.0"
                },
                {
                    "fixed": "2.5.0b4"
                },
                {
                    "introduced": "2.4.0"
                },
                {
                    "fixed": "2.4.0p26"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.5.0"
                },
                {
                    "fixed": "2.5.0b4"
                },
                {
                    "introduced": "2.4.0"
                },
                {
                    "fixed": "2.4.0p26"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33456.json",
    "cna_assigner": "Checkmk",
    "cwe_ids": [
        "CWE-140"
    ]
}
References

Affected packages

Git / github.com/checkmk/checkmk

Affected ranges

Type
GIT
Repo
https://github.com/checkmk/checkmk
Events
Database specific
{
    "source": "CPE_STRING",
    "cpe": [
        "cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p25:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:*",
        "cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "2.4.0-NA"
        },
        {
            "last_affected": "2.4.0-NA"
        },
        {
            "introduced": "2.4.0-b1"
        },
        {
            "last_affected": "2.4.0-b1"
        },
        {
            "introduced": "2.4.0-p1"
        },
        {
            "last_affected": "2.4.0-p1"
        },
        {
            "introduced": "2.4.0-b2"
        },
        {
            "last_affected": "2.4.0-b2"
        },
        {
            "introduced": "2.4.0-p2"
        },
        {
            "last_affected": "2.4.0-p2"
        },
        {
            "introduced": "2.4.0-b3"
        },
        {
            "last_affected": "2.4.0-b3"
        },
        {
            "introduced": "2.4.0-p3"
        },
        {
            "last_affected": "2.4.0-p3"
        },
        {
            "introduced": "2.4.0-b4"
        },
        {
            "last_affected": "2.4.0-b4"
        },
        {
            "introduced": "2.4.0-p4"
        },
        {
            "last_affected": "2.4.0-p4"
        },
        {
            "introduced": "2.4.0-b5"
        },
        {
            "last_affected": "2.4.0-b5"
        },
        {
            "introduced": "2.4.0-p5"
        },
        {
            "last_affected": "2.4.0-p5"
        },
        {
            "introduced": "2.4.0-b6"
        },
        {
            "last_affected": "2.4.0-b6"
        },
        {
            "introduced": "2.4.0-p6"
        },
        {
            "last_affected": "2.4.0-p6"
        },
        {
            "introduced": "2.4.0-p10"
        },
        {
            "last_affected": "2.4.0-p10"
        },
        {
            "introduced": "2.4.0-p11"
        },
        {
            "last_affected": "2.4.0-p11"
        },
        {
            "introduced": "2.4.0-p12"
        },
        {
            "last_affected": "2.4.0-p12"
        },
        {
            "introduced": "2.4.0-p13"
        },
        {
            "last_affected": "2.4.0-p13"
        },
        {
            "introduced": "2.4.0-p14"
        },
        {
            "last_affected": "2.4.0-p14"
        },
        {
            "introduced": "2.4.0-p15"
        },
        {
            "last_affected": "2.4.0-p15"
        },
        {
            "introduced": "2.4.0-p16"
        },
        {
            "last_affected": "2.4.0-p16"
        },
        {
            "introduced": "2.4.0-p17"
        },
        {
            "last_affected": "2.4.0-p17"
        },
        {
            "introduced": "2.4.0-p18"
        },
        {
            "last_affected": "2.4.0-p18"
        },
        {
            "introduced": "2.4.0-p19"
        },
        {
            "last_affected": "2.4.0-p19"
        },
        {
            "introduced": "2.4.0-p20"
        },
        {
            "last_affected": "2.4.0-p20"
        },
        {
            "introduced": "2.4.0-p21"
        },
        {
            "last_affected": "2.4.0-p21"
        },
        {
            "introduced": "2.4.0-p22"
        },
        {
            "last_affected": "2.4.0-p22"
        },
        {
            "introduced": "2.4.0-p23"
        },
        {
            "last_affected": "2.4.0-p23"
        },
        {
            "introduced": "2.4.0-p24"
        },
        {
            "last_affected": "2.4.0-p24"
        },
        {
            "introduced": "2.4.0-p25"
        },
        {
            "last_affected": "2.4.0-p25"
        },
        {
            "introduced": "2.4.0-p7"
        },
        {
            "last_affected": "2.4.0-p7"
        },
        {
            "introduced": "2.4.0-p8"
        },
        {
            "last_affected": "2.4.0-p8"
        },
        {
            "introduced": "2.4.0-p9"
        },
        {
            "last_affected": "2.4.0-p9"
        },
        {
            "introduced": "2.5.0-b1"
        },
        {
            "last_affected": "2.5.0-b1"
        },
        {
            "introduced": "2.5.0-b2"
        },
        {
            "last_affected": "2.5.0-b2"
        },
        {
            "introduced": "2.5.0-b3"
        },
        {
            "last_affected": "2.5.0-b3"
        }
    ]
}

Affected versions

2.*
2.4.0-NA
2.4.0-b1
2.4.0-b2
2.4.0-b3
2.4.0-b4
2.4.0-b5
2.4.0-b6
2.4.0-p10
2.4.0-p11
2.4.0-p12
2.4.0-p13
2.4.0-p14
2.4.0-p15
2.4.0-p16
2.4.0-p17
2.4.0-p18
2.4.0-p19
2.4.0-p20
2.4.0-p21
2.4.0-p22
2.4.0-p23
2.4.0-p24
2.4.0-p25
2.4.0-p7
2.4.0-p8
2.4.0-p9
2.5.0-b1
2.5.0-b2
2.5.0-b3

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33456.json"