CVE-2026-115290
Published:November 03, 2026
Updated:November 04, 2026
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An unauthenticated attacker with network access to the remote cluster server interface of a node can send a specially crafted request that causes the node to terminate. No credentials are required. The attacker can repeat the request against each reachable node.
Affected Packages
https://github.com/elastic/elasticsearch.git (GITHUB):
Affected version(s) >=v9.0.0-beta1 <v9.4.9 || >=v9.0.0 <v9.4.9Fix Suggestion:
Update to version v9.4.9https://github.com/elastic/elasticsearch.git (GITHUB):
Affected version(s) >=v8.10.0 <v8.19.24Fix Suggestion:
Update to version v8.19.24https://github.com/elastic/elasticsearch.git (GITHUB):
Affected version(s) >=v9.5.0 <v9.5.6Fix Suggestion:
Update to version v9.5.6org.elasticsearch.plugin:x-pack-security (JAVA):
Affected version(s) >=9.5.0 <9.5.6Fix Suggestion:
Update to version 9.5.6org.elasticsearch.plugin:x-pack-security (JAVA):
Affected version(s) >=8.10.0 <8.19.24Fix Suggestion:
Update to version 8.19.24org.elasticsearch.plugin:x-pack-security (JAVA):
Affected version(s) >=9.0.0 <9.4.9 || >=9.0.0-beta1 <9.4.9Fix Suggestion:
Update to version 9.4.9Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Recursion
EPSS
Base Score:
0.41