P4Verified

CVE-2026-102407: Elasticsearch 7.17.5 through 7.17.29, 8.2.2 through 8.19.18, 9.0.0 through 9.3.7, 9.4.0 through 9.4.3

CVE-2026-102407. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA).

Affected technology

Elasticsearch · 7.17.5 through 7.17.29, 8.2.2 through 8.19.18, 9.0.0 through 9.3.7, 9.4.0 through 9.4.3
Elastic

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated user with sufficient privileges over a single resource could use the Modify Data Streams API to modify a data stream to which they were not otherwise authorized, potentially injecting data into it or affecting its ability to be searched normally. Vendor/CNA’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality impact as none; integrity and availability impact as low.

Published 2026-10-07 02:35:19.260957+00:00

CWE: CWE-863
CCR priority: 21.6 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-07 02:36:03.777225+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-102407.html