CVE-2026-78588 json
Allocation of Resources Without Limits or Throttling in Filebeat Leading to Denial of Service
published 2026-09-02 2 mo ago modified 2026-09-03 2 mo ago also EUVD-2026-70066
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
Allocation of Resources Without Limits or Throttling (CWE-770) in Filebeat can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker able to reach the Filebeat HTTP ingestion endpoint could send specially crafted compressed requests that exhaust the memory resources of the Filebeat process.
Patch / fix
- elastic filebeat 8.19.18, 9.3.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Elastic Filebeat
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
discuss.elastic.co
/t/filebeat-8-19-18-9-3-1-security-update-esa-2026-165/390118
mitigation, vendor-advisory
Sources
- CVE List CVE-2026-78588
- NVD CVE-2026-78588
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