Unauthorized Access Vulnerability in DesktopSMS by MrPear
CVE-2026-94540

7.4HIGH

Key Information:

Vendor

Mrpear

Status
Desktopsms
Vendor
CVE Published:
21 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-94540?

DesktopSMS 1.11.0 by MrPear is susceptible to an unauthorized access vulnerability, enabling local attackers to utilize the application's local service. This flaw allows attackers to send SMS messages and retrieve SMS-derived content without requiring user interaction or pairing confirmation. An attacker can exploit this weakness through local device loopback, leveraging the application’s permissions for privileged SMS operations, which raises significant security concerns.

Affected Version(s)

DesktopSMS 0 <= 1.11.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-94540 - Proof of Concept

References

https://github.com/actuator/net.mrpear.apps.desktopsmslite
technical-descriptionexploit
https://www.vulncheck.com/advisories/desktopsms-unauthori...
third-party-advisory

CVSS V4

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Edward "Actuator" Warren
VulnCheck
.