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 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.

CVSS 4.0

5.5CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-26)

CWE

CWE-22

Published

2026-04-29

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/geldata/gel-mcp/
• https://github.com/geldata/gel-mcp/issues/11
• https://vuldb.com/submit/803530
• https://vuldb.com/vuln/360139
• https://vuldb.com/vuln/360139/cti

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