Medium 6.3Published Aug 17, 2026

CVE-2026-74858jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery

Updated under an hour ago (Oct 27, 2026, 8:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for jae-jae fetcher-mcp

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
Weakness (CWE): CWE-918
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: Aug 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

jae-jae fetcher-mcp jae-jae:fetcher-mcp	0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6; 0.3.7; and 2 more ranges	CNA record

References

References

https://vuldb.com/vuln/391221	vdb-entry, technical-description
https://vuldb.com/vuln/391221/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-74858	third-party-advisory
https://vuldb.com/submit/876015	third-party-advisory
https://github.com/jae-jae/fetcher-mcp/issues/37	broken-link, issue-tracking
https://github.com/jae-jae/fetcher-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.