Path Traversal in Legcord
CVE-2026-105293
Legcord 1.1.0 through 1.3.0 contains a path traversal vulnerability in theme IPC handlers that allows script in the Discord page to escape the themes directory via unvalidated theme ids. Attackers running script in the Discord origin, such as through XSS, can abuse themes.folder, themes.uninstall, and themes.install to launch local executables, recursively delete directories, and write files outside the themes directory.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Legcord/Legcord/issues/1163 (issue-tracking)
- github.com/Legcord/Legcord (product)
- github.com/Legcord/Legcord/blob/v1.3.0/src/discord/ipc.ts (technical-description)
- github.com/Legcord/Legcord/blob/v1.3.0/src/common/themes.ts (technical-description)
- www.vulncheck.com/advisories/legcord-1.1.0-through-1.3.0-path-traversal-via-the… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-105293?
- CVE-2026-105293 is a high-severity vulnerability in Legcord, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-10-05.
- How severe is CVE-2026-105293?
- High severity. CVSS v3 base score is 8.1 out of 10.