What is CVE-2026-94540?

CVE-2026-94540 is a high-severity vulnerability in Mrpear Desktopsms, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-09-21.

How severe is CVE-2026-94540?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Mrpear Desktopsms

CVE-2026-94540

DesktopSMS 1.11.0 by MrPear contains an unauthorized access vulnerability that allows local attackers to transmit SMS, retrieve SMS-derived content, and persist an attacker-selected paired identity by interacting with the application's local service without any pairing confirmation or user interaction. Attackers can exploit the unauthenticated local service through same-device loopback to perform privileged SMS operations using the victim application's permissions.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mrpear Desktopsms

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-94540?: CVE-2026-94540 is a high-severity vulnerability in Mrpear Desktopsms, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-09-21.
How severe is CVE-2026-94540?: High severity. CVSS v3 base score is 7.7 out of 10.