CVE-2026-6474 — Externally-controlled format string in PostgreSQL
CVE-2026-6474 — Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
What This Means For You
- If your environment is affected by CWE-134, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6474 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
4 rules · 6 SIEM formats4 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Web Application Exploitation Attempt — CVE-2026-6474
title: Web Application Exploitation Attempt — CVE-2026-6474
id: scw-2026-05-14-1
status: experimental
level: high
description: |
Detects common exploitation patterns targeting web applications. Review CVE-2026-6474 advisories for specific indicators.
author: SCW Feed Engine (auto-generated)
date: 2026-05-14
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6474/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- '..'
- 'SELECT'
- 'UNION'
- '<script'
- 'cmd='
- '/etc/passwd'
condition: selection
falsepositives:
- Legitimate activity from CVE-2026-6474
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6474 | vulnerability | CVE-2026-6474 |
| CWE-134 | weakness | CWE-134 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 14, 2026 at 17:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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