CVE-2026-7403 — Geldata Gel-Mcp Path Traversal

April 30, 2026 00:16 /MEDIUM /CVSS 5.3/10

Written by SCW Vulnerability Desk Vulnerability Intelligence

National Vulnerability Database vulnerabilitycvemedium-severitypath-traversalcwe-22

CVE-2026-7403 — Geldata Gel-Mcp Path Traversal

CVE-2026-7403 — A security flaw has been discovered in geldata gel-mcp 0.1.0. This impacts the function list_rules/fetch_rule of the file src/gel_mcp/server.py. The manipulation of the argument rule_name results in path traversal. The attack may be performed from remote. The exploit has been release

What This Means For You

If your environment is affected by CWE-22, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7403 updates and patches.

Related ATT&CK Techniques

T1190 Exploit Public-Facing Application Initial Access T1071.001 Web Protocols Command and Control T1552.001 Credentials In Files Credential Access

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 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.

high T1190 Initial Access

CVE-2026-7403 - Geldata Gel-Mcp Path Traversal

Sigma YAML — free preview

title: CVE-2026-7403 - Geldata Gel-Mcp Path Traversal
id: scw-2026-04-29-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-7403 by targeting the list_rules or fetch_rule functions in Geldata Gel-Mcp. The rule specifically looks for path traversal sequences ('../../') within the 'rule_name' parameter in the URI query, indicating an attempt to access files outside the intended directory.
author: SCW Feed Engine (AI-generated)
date: 2026-04-29
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7403/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/list_rules'
          - '/fetch_rule'
      cs-uri-query|contains:
          - 'rule_name=../../'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

ID	Type	Indicator
CVE-2026-7403	vulnerability	CVE-2026-7403
CWE-22	weakness	CWE-22

Written by SCW Vulnerability Desk

Source & Attribution

Source Platform	NVD
Channel	National Vulnerability Database
Published	April 30, 2026 at 00:16 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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