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TI-2026-80153 Aliases CVE-2026-116073GHSA-5jhh-46x7-49hp

Leon Path Traversal via /download model Command

Priority LOW 30CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Leon before commit 50df142 contains a path traversal vulnerability in getModelFileNameFromURL() that allows attackers to write files outside the models directory via percent-encoded separators. An attacker can trick a user into running '/download model' with a crafted URL containing encoded '../' sequences, writing attacker-controlled content to arbitrary paths writable by Leon.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Leon before commit 50df142 contains a path traversal vulnerability in getModelFileNameFromURL() that allows attackers to write files outside the models directory via percent-encoded separators. Attackers can trick a user into running '/download model' with a crafted URL containing encoded '../' sequences to write attacker-controlled content to arbitrary paths writable by Leon.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00325 25th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

Remediation

Update Leon to commit 50df142 or a later commit, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116073
  2. 2026-10-26 Priority changed: MEDIUM → LOW
  3. 2026-10-27 Alias added: GHSA-5jhh-46x7-49hp
  4. 2026-11-05 CISA SSVC decision points changed

References

Patch 2

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences