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

Published 2026-09-21 · last modified 2026-09-24.

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.

EPSS exploit prediction

EPSS: 0.002 (4.8th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Mrpear Desktopsms

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/actuator/net.mrpear.apps.desktopsmslite (technical-description, exploit)
www.vulncheck.com/advisories/desktopsms-unauthorized-access-via-local-service (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.