CVE-2025-12489

evernote-mcp-server openBrowser Command Injection Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of evernote-mcp-server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the openBrowser function. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-27913.

CVSS 3.0

7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2025-11-06

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://github.com/brentmid/evernote-mcp-server/commit/1e66c78c4ce6ea294ac6b0eb289a9eae9c5e9579
• https://www.zerodayinitiative.com/advisories/ZDI-25-983/

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