CVE-2026-23930

An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.

References

https://support.zabbix.com/browse/ZBX-28069

Affected packages

Git / github.com/zabbix/zabbix

Affected ranges

Type

GIT

Repo

https://github.com/zabbix/zabbix

Events

Introduced

5203d2ea7d901cd33d148f20586e2155901a7faa

Fixed

39db3e7dce42aca1f772888804eb3280627347f0

Introduced

49955f1fb5c9168a8a24b053f7ade6b3d903143c

Fixed

e4b2990bfed4d08d711394444097a5ff4772466d

Introduced

372a4e93c48ecd25aa666949a055a02369031861

Fixed

a6a1f80f9dd9c9461513853ecabc5b1a6c7dd521

Database specific

Show details

{
    "cpe": "cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "6.0.0"
        },
        {
            "fixed": "6.0.47"
        },
        {
            "introduced": "7.0.0"
        },
        {
            "fixed": "7.0.27"
        },
        {
            "introduced": "7.4.0"
        },
        {
            "fixed": "7.4.11"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

6.*

6.0.0

6.0.1

6.0.10

6.0.10rc1

6.0.10rc2

6.0.11

6.0.11rc1

6.0.11rc2

6.0.12

6.0.12rc1

6.0.12rc2

6.0.13

6.0.13rc1

6.0.14

6.0.14rc1

6.0.14rc2

6.0.15

6.0.15rc1

6.0.15rc2

6.0.16

6.0.16rc1

6.0.17

6.0.17rc1

6.0.17rc2

6.0.18

6.0.18rc1

6.0.19

6.0.19rc1

6.0.1rc1

6.0.1rc2

6.0.1rc3

6.0.1rc4

6.0.2

6.0.20

6.0.20rc1

6.0.21

6.0.21rc1

6.0.22

6.0.22rc1

6.0.23

6.0.23rc1

6.0.25

6.0.25rc1

6.0.26

6.0.26rc1

6.0.27

6.0.27rc1

6.0.28

6.0.28rc1

6.0.29

6.0.29rc1

6.0.2rc1

6.0.3

6.0.30

6.0.30rc1

6.0.31

6.0.31rc1

6.0.32

6.0.32rc1

6.0.33

6.0.33rc1

6.0.34

6.0.34rc1

6.0.34rc2

6.0.35

6.0.35rc1

6.0.36

6.0.36rc1

6.0.37

6.0.37rc1

6.0.38

6.0.38rc1

6.0.39

6.0.39rc1

6.0.3rc1

6.0.4

6.0.40

6.0.40rc1

6.0.41

6.0.41rc1

6.0.42

6.0.42rc1

6.0.43

6.0.43rc1

6.0.44

6.0.44rc1

6.0.45

6.0.45rc1

6.0.46

6.0.46rc1

6.0.47rc1

6.0.4rc1

6.0.5

6.0.5rc1

6.0.6

6.0.6rc1

6.0.7

6.0.7rc1

6.0.8

6.0.8rc1

6.0.8rc2

6.0.9

6.0.9rc1

6.0.9rc2

7.*

7.0.0

7.0.1

7.0.10

7.0.10rc1

7.0.11

7.0.11rc1

7.0.11rc2

7.0.12

7.0.12rc1

7.0.13

7.0.13rc1

7.0.14

7.0.14rc1

7.0.15

7.0.16

7.0.17

7.0.17rc1

7.0.17rc2

7.0.18

7.0.18rc1

7.0.18rc2

7.0.19

7.0.19rc1

7.0.1rc1

7.0.1rc2

7.0.2

7.0.20

7.0.20rc1

7.0.21

7.0.22

7.0.22rc1

7.0.22rc2

7.0.22rc3

7.0.23

7.0.23rc1

7.0.23rc2

7.0.24

7.0.24rc1

7.0.24rc2

7.0.24rc3

7.0.25

7.0.25rc1

7.0.26

7.0.26rc1

7.0.27rc1

7.0.2rc1

7.0.2rc2

7.0.3

7.0.3rc1

7.0.4

7.0.4rc1

7.0.5

7.0.5rc1

7.0.6

7.0.6rc1

7.0.7

7.0.7rc1

7.0.8

7.0.8rc1

7.0.8rc2

7.0.9

7.0.9rc1

7.0.9rc2

7.4.0

7.4.1

7.4.10

7.4.10rc1

7.4.11rc1

7.4.11rc2

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-2026-23930.json"

vanir_signatures

[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "61950285254057822375511809511230316649",
                "202208457591449445730552017254530970731",
                "22806171998387866034443206406648060655",
                "124374908236790130710091146456556061826",
                "210859921065700170806321554218079188008",
                "230192658099312171426732252572302441243"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-23930-87d0c2f8",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/zabbix/zabbix/commit/39db3e7dce42aca1f772888804eb3280627347f0",
        "target": {
            "file": "src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "80225613835803133910910126596852952088",
                "230058783349080063223687654489728332059",
                "177878195683979894346014332267148188511",
                "188349145695577399953969866264285031573",
                "329342636515519127775980169026149266987",
                "58272670197979715614362102333779585045"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-23930-a8156f50",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/zabbix/zabbix/commit/a6a1f80f9dd9c9461513853ecabc5b1a6c7dd521",
        "target": {
            "file": "src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "333406838192985303553783787161722961189",
                "156129663047399997922495101387796055769",
                "252626966670648624700598000650461445114",
                "188642116474187757724379112141936471334",
                "191132183165099214826289054637735751046",
                "170621029598218961559184615347454783088"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-23930-d94b113d",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/zabbix/zabbix/commit/e4b2990bfed4d08d711394444097a5ff4772466d",
        "target": {
            "file": "src/zabbix_java/src/com/zabbix/gateway/GeneralInformation.java"
        }
    }
]

vanir_signatures_modified

"2026-09-10T08:13:47Z"