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TI-2026-82701 Aliases CVE-2026-51851GHSA-jmhq-mcj5-qjhx

Directory traversal in modelscope agent-zero file browser

Priority HIGH 72CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

modelscope agent-zero versions 1.7, 1.8, 1.9, and 1.10 are affected. The save_text_file method in python/helpers/file_browser.py accepts user-controlled file paths without normalization or validation, which is a path traversal flaw (CWE-22). A remote attacker without privileges or user interaction can reach files outside the intended directory, with high confidentiality impact.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

modelscope agent-zero 1.7, 1.8, 1.9, and 1.10 is vulnerable to Directory Traversal in python/helpers/file_browser.py:FileBrowser.save_text_file. The save_text_file method accepts user-controlled file paths without normalization or validation, allowing path traversal attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00651 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for agent-zero.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-51851
  2. 2026-10-29 Alias added: GHSA-jmhq-mcj5-qjhx
  3. 2026-11-04 EPSS moved to the 50th–90th percentile
  4. 2026-11-04 CVSS score added · CISA ADP
  5. 2026-11-04 Weakness changed · CISA ADP
  6. 2026-11-04 CISA SSVC decision points changed
  7. 2026-11-04 Priority changed: LOW → HIGH

References

Sources