# CVE-2026-114376: LeoMoon wiki-go path traversal in SaveHandler

Source: https://junglewise.ai/threats/cve-2026-114376-a-weakness-has-been-identified-in-leomoon-studios-wiki-go-up-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-21. Updated: 2026-10-21  
License: CC BY 4.0 with a link back

CVE-2026-114376 · Severity: medium · CVSS 6.3 · Published 2026-10-21

LeoMoon wiki-go is a flat-file wiki platform written in Go that stores content as files on disk. A path traversal vulnerability in the document editor API allows an attacker to read, write, or modify files outside the intended wiki content directory, potentially exposing or corrupting sensitive data on the server.

Technologies: [LeoMoon Studios Wiki-Go](https://junglewise.ai/threats/technologies/wiki-go). Vendors: [LeoMoon Studios](https://junglewise.ai/threats/vendors/leomoon-studios).

## Quick answers

**Is CVE-2026-114376 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-114376 being exploited in the wild.

**How severe is CVE-2026-114376?** Medium severity, with a CVSS score of 6.3, published 21 October 2026.

**Which products and versions are affected?** LeoMoon Studios Wiki-Go up to 1.9.1.

**Is there a fix for CVE-2026-114376?** Yes: fixed in 1.9.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-114376 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-114376?** Check whether you run LeoMoon Studios Wiki-Go at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 1.9.2

## Technical details

The SaveHandler and SourceHandler functions in internal/handlers/editor.go fail to properly validate file paths, allowing attackers to traverse the filesystem using directory traversal sequences. The vulnerability is remotely exploitable via the API without requiring authentication. An attacker can manipulate path inputs to access arbitrary files readable or writable by the wiki-go process.

## Affected products

- LeoMoon Studios wiki-go up to 1.9.1

## Timeline

- 2026-10-21: disclosed
- 2026-09-20: patched: Fix commit 94f7e73ef8df7c58091d72d77a5e26e9fdad98b8

## References

- [https://github.com/leomoon-studios/wiki-go/](https://github.com/leomoon-studios/wiki-go/)
- [https://github.com/leomoon-studios/wiki-go/commit/94f7e73ef8df7c58091d72d77a5e26e9fdad98b8](https://github.com/leomoon-studios/wiki-go/commit/94f7e73ef8df7c58091d72d77a5e26e9fdad98b8)

## Related threats

- [leomoon-studios wiki-go path traversal in file rename](https://junglewise.ai/threats/cve-2026-114375-a-security-flaw-has-been-discovered-in-leomoon-studios-wiki-go)
- [leomoon-studios wiki-go server-side request forgery in metadata endpoint](https://junglewise.ai/threats/cve-2026-114374-a-vulnerability-was-identified-in-leomoon-studios-wiki-go-up-to)