CVE-2026-100230 (CVSS 5.3)

Description

Input Leap (aka input-leap) through 3.0.3, when the non-default --enable-drag-drop option is used on Windows or macOS, mishandles the / versus \ distinction and allows directory traversal, with resultant code execution if a file is written to a startup directory. This occurs via a DDRG message.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0065

Probability of exploitation

0.50%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-180 CWE-180

References

Other References

https://github.com/deskflow/deskflow/security/advisories https://github.com/input-leap/input-leap/blob/master/src/lib/inputleap/DropHelper.cpp https://github.com/input-leap/input-leap/blob/v3.0.3/src/lib/inputleap/DragInformation.cpp https://github.com/input-leap/input-leap/releases https://nvd.nist.gov/vuln/detail/CVE-2021-42072 https://raw.githubusercontent.com/debauchee/barrier/master/src/lib/barrier/DragInformation.cpp https://raw.githubusercontent.com/input-leap/input-leap/master/src/lib/inputleap/ArgParser.cpp https://raw.githubusercontent.com/input-leap/input-leap/master/src/lib/net/SecureSocket.cpp https://raw.githubusercontent.com/input-leap/input-leap/v3.0.3/src/lib/server/Server.cpp https://www.openwall.com/lists/oss-security/2026/09/25/4

Frequently Asked Questions

What is CVE-2026-100230? +

Input Leap (aka input-leap) through 3.0.3, when the non-default --enable-drag-drop option is used on Windows or macOS, mishandles the / versus \ distinction and allows directory traversal, with resultant code execution if a file is written to a startup directory. This occurs via a DDRG message. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-100230? +

CVE-2026-100230 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0065, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-100230? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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