CVE-2026-6991 — SQL Injection
CVE-2026-6991 — A vulnerability was determined in colinhacks Zod up to 4.3.6. The impacted element is an unknown function of the file packages/zod/src/v4/core/regexes.ts of the component CUID Data Type Handler. Executing a manipulation can lead to sql injection. The attack can be launched remotely.
What This Means For You
- If your environment is affected by CWE-74, CWE-89, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6991 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 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.
CVE-2026-6991 - Zod SQL Injection Attempt via CUID Handler
title: CVE-2026-6991 - Zod SQL Injection Attempt via CUID Handler
id: scw-2026-04-25-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-6991 by looking for common SQL injection patterns within the query string of web requests. This vulnerability affects colinhacks Zod up to 4.3.6, specifically within the CUID Data Type Handler in packages/zod/src/v4/core/regexes.ts, allowing remote SQL injection.
author: SCW Feed Engine (AI-generated)
date: 2026-04-25
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6991/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- "' OR 1=1 --"
- "' OR 'a'='a --"
- "UNION SELECT"
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6991 | vulnerability | CVE-2026-6991 |
| CWE-74 | weakness | CWE-74 |
| CWE-89 | weakness | CWE-89 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 25, 2026 at 21:16 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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