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CVE-2026-46487— GeoNetwork: ACL bypass on Elasticsearch search when request body omits query field

Quick assessment

Affected
geonetwork core-geonetwork
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GeoNetwork 是一款用于管理空间参考资源的目录应用。在 4.0.0-alpha.1 至 4.2.16 和 4.4.11 版本中，基于 Elasticsearch 的搜索代理在客户端请求缺少查询字段时，可能跳过 GeoNetwork 的访问控制过滤器注入。此时，请求将被直接转发至 Elasticsearch，而未经过组可见性、草稿排除、记录所有权或门户特定过滤等安全机制。未认证的远程攻击者可利用受影响的公开搜索 API，获取本不应公开可见的元数据记录的完整索引内容。该问题已在 4.2.16 和 4.4.11

CVSS 7.5 · High

Affected Version Matrix 3

VendorProduct Version RangeStatus
geonetwork core-geonetwork >= 4.0.0-alpha.1, <= 4.0.6-0 affected
>= 4.2.0, < 4.2.16 affected
>= 4.4.0, < 4.4.11 affected
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I. Basic Information for CVE-2026-46487

Vulnerability Information
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Vulnerability Title
GeoNetwork: ACL bypass on Elasticsearch search when request body omits query field
Source: CVE Program / CVE List V5
Vulnerability Description
GeoNetwork is a catalog application to manage spatially referenced resources. From 4.0.0-alpha.1 until 4.2.16 and 4.4.11, the Elasticsearch-backed search proxy can skip GeoNetwork's access-control filter injection when a client request has an omitted query field. The request is then forwarded to Elasticsearch without group visibility, draft exclusion, record ownership, or portal-specific filtering. An unauthenticated remote attacker can use the affected public search API to retrieve the full indexed contents of metadata records that should not be publicly visible. This issue is fixed in versions 4.2.16 and 4.4.11.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
geonetwork core-geonetwork >= 4.0.0-alpha.1, <= 4.0.6-0 -

II. Public POCs for CVE-2026-46487

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III. Intelligence Information for CVE-2026-46487

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Patches & Fixes for CVE-2026-46487 (1)

Vendor Pages for CVE-2026-46487 (1)

Other References for CVE-2026-46487 (3)

IV. Related Vulnerabilities

Same product: core-geonetwork
Same vendor: geonetwork
Same weakness: CWE-862