CVE-2026-82300: Elastic Elasticsearch · Uncontrolled Resource Consumption
Affects Elastic ElasticsearchSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 10 Nov 2026, 23:24 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Sep 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 10 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ElasticElasticsearch | Affected
| Fixed in– |
Mavenorg.elasticsearch/elasticsearchpkg:maven/org.elasticsearch/elasticsearchOther 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
Until a fix is available, monitor resource usage and consider limiting access to trusted users to reduce risk.
Description
CVE-2026-82300 is a medium severity vulnerability in Elastic Elasticsearch involving uncontrolled resource consumption (CWE-400). This flaw can lead to denial of service (DoS) through excessive allocation of resources. The vulnerability affects multiple Elasticsearch versions from 8.0.0 through 9.5.3 in various ranges. No known exploits are reported in the wild, and no explicit patch information is provided in the source data.