CVE-2026-7314Public exploitNetwork attack vector

Arbitrary file write via unchecked output path

Published Apr 28, 2026 · Updated Apr 28, 2026

Path traversal in E-iceblue Spire.Doc MCP Server 1.0.0 allows remote attackers to create or overwrite files via convert_document. The tool forwards the caller-controlled output_path to ConversionHandler.convert_document, which creates directories and saves output without enforcing WORD_FILES_PATH. Exploitation requires access to the MCP tool, an existing source document, and write permission at the chosen destination.

CVSS severity7.3
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Path traversal in E-iceblue Spire.Doc MCP Server 1.0.0 allows remote attackers to create or overwrite files via convert_document. The tool forwards the caller-controlled output_path to ConversionHandler.convert_document, which creates directories and saves output without enforcing WORD_FILES_PATH. Exploitation requires access to the MCP tool, an existing source document, and write permission at the chosen destination.

The record

CVE
CVE-2026-7314
Published
Apr 28, 2026
Updated
Apr 28, 2026
Vendor
E-iceblue
Product
Spire.Doc MCP Server
Classifications
CWE-22, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

E-iceblue · Spire.Doc MCP Serverversion=1.0.0

Published CVSS scores

5.5VulDBCVSS: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
7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1565.001Stored Data Manipulation

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo