CVE-2026-78605: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elastic Elasticsearch
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444) in Elasticsearch can lead to information disclosure via HTTP Request Smuggling (CAPEC-33). Under specific proxy deployment configurations, a network attacker could obtain confidential responses intended for other authenticated users.
CVE-2026-78605: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elastic Elasticsearch
Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444) in Elasticsearch can lead to information disclosure via HTTP Request Smuggling (CAPEC-33). Under specific proxy deployment configurations, a network attacker could obtain confidential responses intended for other authenticated users.
CVSS v3.1
Score 5.9medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-08-24T21:13:52.890Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a972608acd9273b491915fc
Added to database: 09/01/2026, 19:22:48 UTC
Last updated: 09/02/2026, 00:03:59 UTC
Views: 6
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