CVE-2026-7403 | THREATINT

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.

PUBLISHED Reserved 2026-04-29 | Published 2026-04-29 | Updated 2026-04-30 | Assigner VulDB

MEDIUM: 6.9CVSS: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

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

0.1.0

affected

Timeline

2026-04-29:	Advisory disclosed
2026-04-29:	VulDB entry created
2026-04-29:	VulDB entry last update

Credits

LargeW (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/360139 (VDB-360139 | geldata gel-mcp server.py fetch_rule path traversal) vdb-entry technical-description

vuldb.com/vuln/360139/cti (VDB-360139 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/803530 (Submit #803530 | geldata gel-mcp 0.1.0 Path Traversal) third-party-advisory

github.com/geldata/gel-mcp/issues/11 exploit issue-tracking

github.com/geldata/gel-mcp/ product

cve.org (CVE-2026-7403)

nvd.nist.gov (CVE-2026-7403)

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