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Back to active CVEs
High · CVSS 8.1CVE-2026-78583

Incorrect Authorization in Kibana Leading to Privilege EscalationCVE-2026-78583

Answer in brief

CVE-2026-78583 records a High severity (CVSS 8.1) vulnerability in Incorrect Authorization in Kibana Leading to Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps Elastic/Kibana (generic), Elastic/Kibana (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 3, 2026Updated Sep 8, 2026Source checked Oct 19, 2026First seen by HOL Sep 3, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Elastic/Kibana (generic), Elastic/Kibana (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Elastic/Kibanageneric8.0.0 || 9.0.0 || 9.5.0Not reported
Elastic/Kibanageneric>=8.0.0 <=8.19.20 || >=9.0.0 <=9.4.5 || >=9.5.0 <=9.5.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Elastic/Kibana, Elastic/Kibana.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 3, 2026

Sources and claim methodology

  • Source referencediscuss.elastic.co
Upstream source description

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Input Data Manipulation (CAPEC-153). Elasticsearch cluster privilege declarations originating from integration packages were not validated before being used to mint credentials for enrolled Elastic Agents. A user holding Fleet management privileges could therefore cause every Elastic Agent on a targeted policy to receive a credential carrying arbitrarily elevated Elasticsearch cluster privileges, up to and including full cluster administration.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Insecure Default Policy and Unrestricted OIDC Enrollment in Google OSS Agent Mesh (SAM)Also CWE-863

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Oct 19, 2026
References
1 linked source
Open source record