Elastic Elasticsearch up to 8.19.23/9.4.8/9.5.5 Field-level security constant_keyword authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k1.11

Summaryinfo

A vulnerability was found in Elastic Elasticsearch up to 8.19.23/9.4.8/9.5.5 and classified as problematic. This affects an unknown part of the component Field-level security. The manipulation of the argument constant_keyword results in authorization. This vulnerability is identified as CVE-2026-115298. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Elastic Elasticsearch up to 8.19.23/9.4.8/9.5.5. It has been classified as problematic. Affected is an unknown code of the component Field-level security. The manipulation of the argument constant_keyword with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is shared for download at discuss.elastic.co. This vulnerability is traded as CVE-2026-115298 since 10/22/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available.

Upgrading to version 8.19.24, 9.4.9 or 9.5.6 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (elastic): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Elasticsearch 8.19.24/9.4.9/9.5.6

Timelineinfo

10/22/2026 CVE reserved
11/03/2026 +12 days Advisory disclosed
11/03/2026 +0 days VulDB entry created
11/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: discuss.elastic.co
Status: Confirmed

CNA: elastic
CVE: CVE-2026-115298 (🔒)

GCVE (CVE): GCVE-0-2026-115298
GCVE (VulDB): GCVE-100-430476

Entryinfo

Created: 11/03/2026 18:12
Changes: 11/03/2026 18:12 (64)
Complete: 🔍
Cache ID: 216::103

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