Is CVE-2026-7403 actively exploited?

No active exploitation of CVE-2026-7403 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7403 be exploited remotely?

Yes. CVE-2026-7403 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7403?

CVE-2026-7403 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-7403

CWE-22Published: April 29, 2026· Updated: Apr 29, 2026

5.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.9th

Official Description

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 released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-7403 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.