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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Jae-jae Subscribe
Fetcher-mcp Subscribe

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/jae-jae/fetcher-mcp/ cve-icon cve-icon
https://github.com/jae-jae/fetcher-mcp/issues/37 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-74858 cve-icon cve-icon
https://vuldb.com/submit/876015 cve-icon cve-icon
https://vuldb.com/vuln/391221 cve-icon cve-icon
https://vuldb.com/vuln/391221/cti cve-icon cve-icon
History

Mon, 17 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery
First Time appeared Jae-jae
Jae-jae fetcher-mcp
Weaknesses CWE-918
CPEs cpe:2.3:a:jae-jae:fetcher-mcp:*:*:*:*:*:*:*:*
Vendors & Products Jae-jae
Jae-jae fetcher-mcp
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-17T15:15:16.803Z

Reserved: 2026-08-17T09:50:57.006Z

Link: CVE-2026-74858

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-17T16:17:49.307

Modified: 2026-08-17T16:17:49.307

Link: CVE-2026-74858

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-17T16:45:04Z

Weaknesses