Is Elasticsearch 7.17.26 affected?
Dec 3, 2024 · Release notes ↗
7 known vulnerabilities affect 7.17.26 (highest CVSS 6.8).
Your branch 7 has reached end of life (Jan 15, 2026).
3 newer releases in its track, up to 7.17.29. What changed up to 7.17.29
A newer release line is out: 9.5.5.
Vulnerabilities affecting 7.17.26
- 6.8 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 s…
- 6.5 CVE-2026-72683 A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint (https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation… fixed in 8.19.19
- 6.5 CVE-2025-68384 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow a low-privileged authenticated user to cause Excessive Allocation (CAPEC-130) causing a persistent denial o…
- 6.5 CVE-2024-52980 A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to crash. A successful… fixed in 8.15.1
- 5.7 CVE-2025-37727 Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under specific preconditions when auditing requests to the reindex API https://www.elastic.co/do…
- 5.4 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 wi…
- 4.9 CVE-2025-68390 Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow an authenticated user with snapshot restore privileges to cause Excessive Allocation (CAPEC-130) of memory…
Newer releases
| 7.17.29 | Jun 24, 2025 | 7.17.26 → 7.17.29 |
| 7.17.28 | Feb 25, 2025 | 7.17.26 → 7.17.28 |
| 7.17.27 | Jan 14, 2025 | 7.17.26 → 7.17.27 |