Vulnary
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Critical· 9.8

CVE-2026-33815

A memory-safety bug in the Go PostgreSQL driver jackc/pgx allows attackers to corrupt memory. The flaw can be triggered remotely without authentication or user interaction, potentially leading to arbitrary code execution or data loss.

publishedApr 7, 2026
last modifiedAug 3, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
46th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 1, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

The jackc/pgx PostgreSQL driver for Go, all versions listed in the CPE.

02

Real-world impact

An attacker could exploit the bug to overwrite memory, potentially executing arbitrary code, crashing the application, or leaking sensitive data.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability is exploitable over the network, requires no privileges or user interaction, and can compromise confidentiality, integrity, and availability.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. Apr 7, 2026 · Apr 7, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Aug 3, 2026 · 2d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
CVE-2026-33815: A memory-safety bug in the Go PostgreSQL driver jackc/pgx allows attac · Vulnary