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CVE-2026-41889— pgx: SQL Injection via placeholder confusion with dollar quoted string literals

Quick assessment

Affected
jackc pgx
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.

pgx是适用于 Go 的 PostgreSQL 驱动程序和工具包。 pgx 5.9.2之前版本存在SQL注入漏洞，该漏洞源于使用非默认简单协议时，美元引号字符串字面量中的占位符可能被错误解析，可能导致SQL注入。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.49% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
jackc pgx < 5.9.2 affected
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I. Basic Information for CVE-2026-41889

Vulnerability Information
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Vulnerability Title
pgx: SQL Injection via placeholder confusion with dollar quoted string literals
Source: CVE Program / CVE List V5
Vulnerability Description
pgx is a PostgreSQL driver and toolkit for Go. Prior to version 5.9.2, SQL injection can occur when the non-default simple protocol is used, a dollar quoted string literal is used in the SQL query, that string literal contains text that would be would be interpreted as a placeholder outside of a string literal, and the value of that placeholder is controllable by the attacker. This issue has been patched in version 5.9.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
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
pgx SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pgx是适用于 Go 的 PostgreSQL 驱动程序和工具包。 pgx 5.9.2之前版本存在SQL注入漏洞，该漏洞源于使用非默认简单协议时，美元引号字符串字面量中的占位符可能被错误解析，可能导致SQL注入。
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
jackc pgx < 5.9.2 -

II. Public POCs for CVE-2026-41889

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III. Intelligence Information for CVE-2026-41889

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Patches & Fixes for CVE-2026-41889 (1)

Vendor Advisories for CVE-2026-41889 (1)

Vendor Pages for CVE-2026-41889 (1)

IV. Related Vulnerabilities

Same product: pgx
Same vendor: jackc
Same weakness: CWE-89

V. Comments for CVE-2026-41889

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