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CVE-2026-48114— Metacat has an unauthenticated SQL injection vulnerability

Quick assessment

Affected
NCEAS metacat
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

National Center for Ecological Analysis and Synthesis Metacat是National Center for Ecological Analysis and Synthesis组织的一个数据管理平台。 National Center for Ecological Analysis and Synthesis Metacat 2.0.0版本及以上版本存在安全漏洞，该漏洞源于在/harvesterRegistration端点存在未经验证的SQL注入，Har

CVSS 9.8 · Critical EPSS 0.46% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
NCEAS metacat >= 2.0.0, < 3.0.0 affected
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I. Basic Information for CVE-2026-48114

Vulnerability Information
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Vulnerability Title
Metacat has an unauthenticated SQL injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Metacat is data repository software that helps researchers preserve, share, and discover data. Versions 2.0.0 and and above contain an unauthenticated SQL injection in the /harvesterRegistration endpoint. HarvesterRegistration.dbInsert() builds an INSERT against HARVEST_SITE_SCHEDULE via string concatenation, using a quoteString() helper that performs raw single-quote wrapping without escaping. Three request parameters reach the sink: unit, contactEmail, and documentListURL. The servlet does not verify a real LDAP identity. Allowing the vulnerable insert to proceed. Since the PostgreSQL backend permits stacked queries via Statement.executeUpdate(), this vulnerability allows full read/write/execute access in the Metacat database context. The vulnerability was remediated in Metacat 3.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
National Center for Ecological Analysis and Synthesis Metacat 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
National Center for Ecological Analysis and Synthesis Metacat是National Center for Ecological Analysis and Synthesis组织的一个数据管理平台。 National Center for Ecological Analysis and Synthesis Metacat 2.0.0版本及以上版本存在安全漏洞，该漏洞源于在/harvesterRegistration端点存在未经验证的SQL注入，Har
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NCEAS metacat >= 2.0.0, < 3.0.0 -

II. Public POCs for CVE-2026-48114

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8647 chars
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III. Intelligence Information for CVE-2026-48114

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Vendor Advisories for CVE-2026-48114 (1)

IV. Related Vulnerabilities

Same product: metacat
Same vendor: NCEAS
Same weakness: CWE-89

V. Comments for CVE-2026-48114

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