SQL Injection in Jackc Pgx
CVE-2026-41889
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Jackc Pgx — versions < 5.9.2
- Pgx Project
Weakness classification (CWE)
References
- github.com/jackc/pgx/security/advisories/GHSA-j88v-2chj-qfwx (Mitigation, Vendor Advisory)
- github.com/jackc/pgx/commit/60644f84918a8af66d14a4b0d865d4edafd955da (Patch)
- github.com/jackc/pgx/releases/tag/v5.9.2 (Release Notes)
Frequently asked questions
- What is CVE-2026-41889?
- CVE-2026-41889 is a critical-severity vulnerability in Jackc Pgx, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-05-08.
- How severe is CVE-2026-41889?
- Critical severity. CVSS v3 base score is 9.8 out of 10.