CVE-2026-74858
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Summary
A vulnerability has been found in jae-jae fetcher-mcp up to 0.3.9. Impacted is the function fetch_url/fetch_urls of the file /latest/meta-data/iam/security-credentials/ of the component URL Validation. Such manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The project was informed of the problem early through an issue report but has not responded yet.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| jae-jae | fetcher-mcp | 0.3.0 | affected |
| jae-jae | fetcher-mcp | 0.3.1 | affected |
| jae-jae | fetcher-mcp | 0.3.2 | affected |
| jae-jae | fetcher-mcp | 0.3.3 | affected |
| jae-jae | fetcher-mcp | 0.3.4 | affected |
| jae-jae | fetcher-mcp | 0.3.5 | affected |
| jae-jae | fetcher-mcp | 0.3.6 | affected |
| jae-jae | fetcher-mcp | 0.3.7 | affected |
| jae-jae | fetcher-mcp | 0.3.8 | affected |
| jae-jae | fetcher-mcp | 0.3.9 | affected |
Weaknesses
- CWE-918: Server-Side Request Forgery
References
- https://vuldb.com/vuln/391221
- https://vuldb.com/vuln/391221/cti
- https://vuldb.com/cve/CVE-2026-74858
- https://vuldb.com/submit/876015
- https://github.com/jae-jae/fetcher-mcp/issues/37
- https://github.com/jae-jae/fetcher-mcp/
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