CVE-2026-33815

| EUVD-2026-19707 CRITICAL
2026-04-07 Go GHSA-xgrm-4fwx-7qm8
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Apr 07, 2026 - 16:00 euvd
EUVD-2026-19707
Analysis Generated
Apr 07, 2026 - 16:00 vuln.today
CVE Published
Apr 07, 2026 - 15:19 nvd
CRITICAL 9.8

Tags

Information Disclosure Github Com Jackc Pgx V5 Pgproto3

Description

Memory-safety vulnerability in github.com/jackc/pgx/v5.

Analysis

Remote memory-safety vulnerability in github.com/jackc/pgx/v5 (Go PostgreSQL driver) enables unauthenticated attackers to achieve arbitrary code execution, information disclosure, and denial of service via network vectors. The flaw affects the pgproto3 protocol implementation subpackage with critical-severity CVSS 9.8 scoring. …

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Remediation

Within 24 hours: Identify all applications and services using github.com/jackc/pgx/v5 and document affected versions via dependency scanning tools (e.g., go list -m all, SBOM analysis). Within 7 days: Isolate or restrict network access to PostgreSQL endpoints until patched; implement network-based filtering to limit database connections to known legitimate sources only. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +49
POC: 0

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CVE-2026-33815 vulnerability details – vuln.today
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