How severe is CVE-2026-41889?

CVE-2026-41889 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41889?

CVE-2026-41889 affects Jackc Pgx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41889?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-41889 have an EU (EUVD) identifier?

Yes. CVE-2026-41889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28805.

When was CVE-2026-41889 published?

CVE-2026-41889 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-41889

CVE-2026-41889 is a critical-severity vulnerability in Jackc Pgx with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 2.3
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28805
Weakness: CWE-89
Affected product: Jackc Pgx
Published: 2026-05-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-41889?: CVE-2026-41889 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41889?: CVE-2026-41889 affects Jackc Pgx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-41889 have an EU (EUVD) identifier?: Yes. CVE-2026-41889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28805.
When was CVE-2026-41889 published?: CVE-2026-41889 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jackc:pgx:*:*:*:*:*:go:*:*

More vulnerabilities in Jackc Pgx

CVE-2026-33816 — Critical (CVSS 9.8): Memory-safety vulnerability in github.com/jackc/pgx/v5.
CVE-2026-33815 — Critical (CVSS 9.8): Memory-safety vulnerability in github.com/jackc/pgx/v5.
CVE-2024-27304 — Critical (CVSS 9.8): pgx is a PostgreSQL driver and toolkit for Go. SQL injection can occur if an attacker can cause a single query or bind…
CVE-2024-27289 — High (CVSS 8.1): pgx is a PostgreSQL driver and toolkit for Go. Prior to version 4.18.2, SQL injection can occur when all of the…

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