Description
Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Elastic | Elasticsearch | 7.0.0 – ≤ 7.17.29, 8.0.0 – ≤ 8.19.7, 9.0.0 – ≤ 9.1.7, 9.2.0 – ≤ 9.2.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | elasticsearch | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | ruby4.0-elasticsearch | 9.3.0-r0 | — |
| Wolfi rolling | sonarqube +2 | 25.12.0.117093-r1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.elasticsearch.plugin:x-pack-core | >= 7.0.0-alpha1, < 8.19.8 | 8.19.8 | GHSA-m9gh-789g-q5pv |
| Maven | org.elasticsearch.plugin:x-pack-core | >= 9.0.0-beta1, < 9.1.8 | 9.1.8 | GHSA-m9gh-789g-q5pv |
| Maven | org.elasticsearch.plugin:x-pack-core | >= 9.2.0, < 9.2.2 | 9.2.2 | GHSA-m9gh-789g-q5pv |
| Maven | org.elasticsearch.plugin:x-pack-security | >= 7.0.0-alpha1, < 8.19.8 | 8.19.8 | GHSA-m9gh-789g-q5pv |
| Maven | org.elasticsearch.plugin:x-pack-security | >= 9.0.0-beta1, < 9.1.8 | 9.1.8 | GHSA-m9gh-789g-q5pv |
| Maven | org.elasticsearch.plugin:x-pack-security | >= 9.2.0, < 9.2.2 | 9.2.2 | GHSA-m9gh-789g-q5pv |
Advisories 1
- WID-SEC-2025-2841 Elasticsearch: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Dec 15, 2025