Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted query that causes excessive resource consumption while the request is processed, which may render the affected node unavailable.
CVE-2026-56148
Score 6.5 from GitHub Security Advisory published 2026-07-01. a secondary CVSS source baseline 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(high)
- EPSS
- 22.7%
- KEV
- Not listed
Published
July 1, 2026
Last Modified
July 2, 2026
Advisory Details (1)
Auto-updated Jul 4, 2026Elasticsearch 8.19.17, 9.3.6, 9.4.3 Security Update (ESA-2026-42) - Security Announcements - Discuss the Elastic Stack
https://discuss.elastic.co/t/elasticsearch-8-19-17-9-3-6-9-4-3-security-update-esa-2026-42Vendor Advisories for CVE-2026-56148(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 20× in last 7d / 20× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 06:34 UTCEG score recompute
- 2026-07-07 06:34 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 04:15 UTCEG score recompute
- 2026-07-06 04:14 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 01:54 UTCEG score recompute
- 2026-07-05 01:54 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 23:36 UTCEG score recompute
- 2026-07-03 23:36 UTCGHSA enrichment
- 2026-07-02 21:20 UTCEG score recompute
- 2026-07-02 21:20 UTCGHSA enrichment
- 2026-07-01 19:03 UTCEG score recompute
- 2026-07-01 19:03 UTCGHSA enrichment
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-56148?
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What is the CVSS score of CVE-2026-56148?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56148
Is Your Infrastructure Affected by CVE-2026-56148?
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