UpHeron
All vulnerabilities

Servers and applications

CVE-2026-102407

Incorrect Authorization (CWE-863) in Elasticsearch can lead to unauthorized data stream modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). 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…

Severity
Medium 5.4
Published
6 Oct 2026
Last changed
13 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.19, 9.3.8, 9.4.4
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • From 7.17.5 up to 7.17.29
  • From 8.2.2 before 8.19.19
  • From 9.0.0 before 9.3.8
  • From 9.4.0 before 9.4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-102407
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-102407