Elasticsearch:
Affects elasticsearchSource GCVE Database
Not known to be exploited · CVSS 6.1 Medium : upgrade to 9.2.8-r13 when convenient.
Data as of 14 Nov 2026, 02:06 UTC
- Patch
- Available – fixed in 9.2.8-r13
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade elasticsearch to 9.2.8-r13.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
CleanStartelasticsearchpkg:apk/cleanstart/elasticsearch?arch=x86_64Other threats | Affected
| Fixed in
|
CleanStartelasticsearchpkg:apk/cleanstart/elasticsearch?arch=aarch64Other threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available and the issue is fixed in elasticsearch version 9.2.8-r13. Users should upgrade to this version or later to remediate the vulnerability.
Description
A security vulnerability in Elasticsearch versions prior to 9.2.8-r13 involves the Reactor Netty WebSocket client potentially leaking credentials during WebSocket handshake redirects to a different origin. This issue has been assigned CVE-2026-47848 and carries a medium severity rating with a CVSS score of 6.1. The vulnerability is fixed in version 9.2.8-r13.