Incorrect authorization in Elasticsearch leaks constant_keyword values
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
Elasticsearch from 8.0.0 through 8.19.23, from 9.0.0 through 9.4.8 and from 9.5.0 through 9.5.5 is affected. Some search and query features do not apply field-level security to constant_keyword fields, which is an incorrect authorization flaw (CWE-863). An authenticated user whose index access is restricted by field-level security can retrieve the value of a constant_keyword field that their role excludes.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
Incorrect Authorization (CWE-863) in Elasticsearch can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user whose index access is restricted by field-level security can retrieve the value of a constant_keyword field that their role excludes. Some search and query features do not apply the field-level security restriction to this field type.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Elasticsearch.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Vendor assessments
Timeline
- 2026-11-03 Threatist record created from CVE-2026-115298
- 2026-11-03 CISA SSVC decision points changed
- 2026-11-03 Alias added: GHSA-h7qh-cp3j-p28q
- 2026-11-04 Affected versions changed · Red Hat
- 2026-11-04 CVSS score added · Red Hat
References
More Elastic vulnerabilities
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2015-01295 The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-02491 The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which… KEVCVSS 3.1HIGH 8.1
- TI-2018-12328 Kibana versions before 6.4.3 and 5.6.13 contain an arbitrary file inclusion flaw in the… CVSS 3.0CRITICAL 9.8
- TI-2023-15037 Elasticsearch StackOverflow vulnerability CVSS 3.1HIGH 7.5
- TI-2021-05135 Information disclosure in Elasticsearch CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-115298 · CVE Program
- CVE-2026-115298 · NVD
- FIRST EPSS
- GHSA-h7qh-cp3j-p28q · GitHub Advisory Database · CC BY 4.0
- CVE-2026-115298 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences