Vulnerability-Lookup

CVE-2026-78593 (GCVE-0-2026-78593)

Vulnerability from cvelistv5 – Published: 2026-09-03 18:35 – Updated: 2026-09-03 18:49

Title

Improper Control of Generation of Code in Kibana Leading to Privilege Escalation

Summary

An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller's authorized Elasticsearch permissions.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 18:49 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

elastic mitre root

References

1 reference

URL	Tags
https://discuss.elastic.co/t/kibana-8-19-21-9-4-6…

Impacted products

1 product

Vendor	Product	Version	CPE status
Elastic	Kibana	Affected: 8.0.0 , ≤ 8.19.20 (semver) Affected: 9.0.0 , ≤ 9.4.5 (semver) Affected: 9.5.0 , ≤ 9.5.2 (semver)	guessed

Show details on NVD website

JSON

To clipboard

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CERTFR-2026-AVI-1113

Vulnerability from certfr_avis - Published: 2026-09-04 - Updated: 2026-09-04

De multiples vulnérabilités ont été découvertes dans Elastic Kibana. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Elastic	Kibana	Kibana versions 8.x antérieures à 8.19.21
Elastic	Kibana	Kibana versions 9.4.x antérieures à 9.4.6
Elastic	Kibana	Kibana versions 9.5.x antérieures à 9.5.3

References

Title

Publication Time

FKIE_CVE-2026-78593

Vulnerability from fkie_nvd - Published: 2026-09-03 19:17 - Updated: 2026-09-03 19:17

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	security@elastic.co	https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unaffected",
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          "versions": [
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              "versionType": "semver"
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              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
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              "status": "affected",
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              "versionType": "semver"
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  "cveTags": [],
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    }
  ],
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  "lastModified": "2026-09-03T19:17:28.687",
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GHSA-6Q7W-4CG4-7827

Vulnerability from github – Published: 2026-09-03 21:31 – Updated: 2026-09-03 21:31

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-78593"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T19:17:28Z",
    "severity": "MODERATE"
  },
  "details": "An insufficiently validated configuration field in Kibana\u0027s Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller\u0027s authorized Elasticsearch permissions.",
  "id": "GHSA-6q7w-4cg4-7827",
  "modified": "2026-09-03T21:31:14Z",
  "published": "2026-09-03T21:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78593"
    },
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2026-78593 (GCVE-0-2026-78593)

CERTFR-2026-AVI-1113

Solutions

FKIE_CVE-2026-78593

GHSA-6Q7W-4CG4-7827

Tags

Sightings

Nomenclature