CVE-2026-7146Public exploitNetwork attack vector

SSRF via incomplete private-address filtering

Published Apr 27, 2026 · Updated Apr 27, 2026

SSRF in mcp-data-vis de5a51525a69822290eaee569a1ab447b490746d allows remote attackers to access server-reachable HTTP resources. Its web-scraper handlers validate caller-supplied URLs with hostname-prefix checks that omit 172.16/12, link-local, IPv6, and redirect destinations before passing them to axios. Exploitation requires access to an affected MCP tool and server egress to the chosen destination, enabling reads from reachable internal services and state changes where those services accept them.

CVSS severity7.3
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in mcp-data-vis de5a51525a69822290eaee569a1ab447b490746d allows remote attackers to access server-reachable HTTP resources. Its web-scraper handlers validate caller-supplied URLs with hostname-prefix checks that omit 172.16/12, link-local, IPv6, and redirect destinations before passing them to axios. Exploitation requires access to an affected MCP tool and server egress to the chosen destination, enabling reads from reachable internal services and state changes where those services accept them.

The record

CVE
CVE-2026-7146
Published
Apr 27, 2026
Updated
Apr 27, 2026
Vendor
Alejandro Arciniegas
Product
mcp-data-vis
Classifications
CWE-918
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=de5a51525a69822290eaee569a1ab447b490746d

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Alejandro Arciniegas · mcp-data-visversion=de5a51525a69822290eaee569a1ab447b490746d

Published CVSS scores

7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
7.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
5.5NVDCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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