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High 7.4Published Dec 15, 2025
CVE-2025-37731Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.4 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
elastic elasticsearch elastic:elasticsearch | from 7.0.0 through 7.17.29; from 8.0.0 before 8.19.8; from 9.0.0 before 9.1.8; from 9.2.0 before 9.2.2 | NVD |
References
- https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.