CVE-2026-56148Disclosure(elastic / elasticsearch)

LOWCVSS 6.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch elastic elasticsearch systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

elastic CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://discuss.elastic.co/t/elasticsearch-8-19-17-9-3-6-9-4-3-security-update-esa-2026-42

Weakness type (CWE)

CWE-674

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

elasticsearch

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
Disclosure: 1 classified signal
2 total mentions across 1 day

Affected systems

Vendors

elastic

Products

elasticsearch

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

Patch

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Seth Kraft@skraft0991d
Patch
Proud to share that CVE-2026-56148 has now been published! 🎉 The issue was resolved in versions 8.19.17, 9.3.6, and 9.4.3 of Elasticsearch. https://discuss.elastic.co/t/elasticsearch-8-19-17-9-3-6-9-4-3-security-update-esa-2026-42/387439 #TogetherWeHitHarder
Post summary
The tweet announces CVE-2026-56148, indicates it has been patched in Elasticsearch releases 8.19.17, 9.3.6, and 9.4.3, and references Elastic’s discussion thread for further details.
01010157
415 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds91d
Disclosure
CVE-2026-56148 Denial of Service via Uncontrolled Recursion in Elasticsearch Authenticated Queries https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-56148
Post summary
The text announces CVE-2026-56148, describing it as a denial‑of‑service vulnerability caused by uncontrolled recursion in authenticated Elasticsearch queries, without providing PoC, exploit, or remediation details.
00000104
4.1K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	elastic	elasticsearch	-	-	-

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