Vulnerability-Lookup

GHSA-2835-94VR-22J6

Vulnerability from github – Published: 2026-10-05 12:31 – Updated: 2026-10-05 12:31

Details

The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.

Severity

2.3 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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  "affected": [],
  "aliases": [
    "CVE-2026-59783"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-05T11:16:59Z",
    "severity": "LOW"
  },
  "details": "The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.",
  "id": "GHSA-2835-94vr-22j6",
  "modified": "2026-10-05T12:31:26Z",
  "published": "2026-10-05T12:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59783"
    },
    {
      "type": "WEB",
      "url": "https://support.zabbix.com/browse/ZBX-28194"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-59783 (GCVE-0-2026-59783)

Vulnerability from cvelistv5 – Published: 2026-10-05 10:28 – Updated: 2026-10-05 11:50

Title

Server DoS via binary items

Summary

Severity

2.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-05 11:46 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

Zabbix mitre root Scorecard

References

1 reference

URL	Tags
https://support.zabbix.com/browse/ZBX-28194

Impacted products

1 product

Vendor	Product	Version
Zabbix	Zabbix	Affected: 7.0.0 , ≤ 7.0.28 (git) Affected: 7.4.0 , ≤ 7.4.12 (git)

Credits

Zabbix wants to thank ylwango613 for submitting this report on the HackerOne bug bounty platform.

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                "timestamp": "2026-10-05T11:46:36.816142Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-2835-94VR-22J6

CVE-2026-59783 (GCVE-0-2026-59783)

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