CVE-2026-81485Public exploitNetwork attack vector

Arbitrary file read via unrestricted upload path

Published Aug 27, 2026 · Updated Aug 27, 2026

Path traversal in Daniel Popa LinkedIn Ads MCP 1.0.0 allows remote attackers to read local files through the upload_image tool. The tool passes its caller-controlled filePath to fs.readFileSync without canonicalization or an allowed-directory check, then uploads the bytes to LinkedIn. The attacker must be able to invoke the MCP tool; access is limited to files readable by the server process, and the documented path does not alter files.

CVSS severityUnavailable
Unscored
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Daniel Popa LinkedIn Ads MCP 1.0.0 allows remote attackers to read local files through the upload_image tool. The tool passes its caller-controlled filePath to fs.readFileSync without canonicalization or an allowed-directory check, then uploads the bytes to LinkedIn. The attacker must be able to invoke the MCP tool; access is limited to files readable by the server process, and the documented path does not alter files.

The record

CVE
CVE-2026-81485
Published
Aug 27, 2026
Updated
Aug 27, 2026
Vendor
Daniel Popa
Product
LinkedIn Ads MCP
Classifications
CWE-22, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 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?

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?

Daniel Popa · LinkedIn Ads MCPversion=1.0.0

Published CVSS scores

5.3VulDBCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
6.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.0VulDBAV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

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-22Path Traversal
T1005Data from Local System

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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