CVE-2026-116073: leon-ai leon

Leon before commit 50df142 Path Traversal via /download model Command

CVSS 6.9 MediumEPSS 0.0032 · 25th percentile

Published by the CVE Program (CNA: VulnCheck) at 25 Oct 2026, 11:51 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
leon-ai	leon	affected a3afdef81c8dd085b922f5a4e6b68bb9b9d802e4 to before 50df142a89a0859e5b7283d87afdab7b01e712a2 git Other versions: unaffected

Identifiers

CVE-2026-116073

CNA

VulnCheck

Weakness (CWE)

CWE-22

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0032, the 25th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

25 Oct 2026, 11:51 UTC Confirmed by the CVE List
25 Oct 2026, 12:16 UTC Confirmed by NVD

Sources

References from the CNA

github.com/leon-ai/leon/issues/593 issue-tracking
github.com/leon-ai/leon product
github.com/leon-ai/leon/blob/21baf11714f618a9367f25882e59e856d3308037/server/src/built-in-command/commands/download-command/download-command.ts#L21-L28 technical-description
github.com/leon-ai/leon/pull/594 patchissue-tracking
github.com/leon-ai/leon/commit/50df142a89a0859e5b7283d87afdab7b01e712a2 patch
www.vulncheck.com/advisories/leon-before-commit-50df142-path-traversal-via-download-model-command third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.