CVE-2026-7403geldata gel-mcp server.py fetch_rule path traversal
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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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Apr 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
geldata gel-mcp geldata:gel_mcp (from the name) | 0.1.0 | CNA record |
References
- https://vuldb.com/vuln/360139vdb-entry, technical-description
- https://vuldb.com/vuln/360139/ctisignature, permissions-required
- https://vuldb.com/submit/803530third-party-advisory
- https://github.com/geldata/gel-mcp/issues/11exploit, issue-tracking
- https://github.com/geldata/gel-mcp/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.