UpHeron
All vulnerabilities

Servers and applications

CVE-2025-37731

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.

Severity
High 7.4
Published
15 Dec 2025
Last changed
7 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.8, 9.1.8, 9.2.2
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • From 7.0.0 up to 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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-37731
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-37731