CVE-2026-1184 — GitLab EE Affecting All Versions From 11.9 Before 18.9.7, 18 Denial of Service
CVE-2026-1184 — GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.
What This Means For You
- If your environment is affected by CWE-502, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-1184 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 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-2026-1184 GitLab EE Unauthenticated DoS File Upload
title: CVE-2026-1184 GitLab EE Unauthenticated DoS File Upload
id: scw-2026-05-14-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-1184 by monitoring for POST requests to GitLab upload endpoints that result in a 500 Internal Server Error, indicative of improper file validation leading to a denial of service.
author: SCW Feed Engine (AI-generated)
date: 2026-05-14
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-1184/
tags:
- attack.impact
- attack.t1499
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/uploads'
cs-method:
- 'POST'
sc-status:
- '500'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-1184 | vulnerability | CVE-2026-1184 |
| CWE-502 | weakness | CWE-502 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 14, 2026 at 09:16 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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