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Findings

Vulnerability · CVE-2025-55523

agent-zero agent-zero Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Dec 15, 2025 · corrected/updated Dec 15, 2025 · frdel Agent-Zero · evidence confidence very high

An issue in the component /api/download_work_dir_file.py of Agent-Zero v0.8.* allows attackers to execute a directory traversal. VulnCheck canary evidence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-55523 is a unknown public vulnerability record for frdel Agent-Zero. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether frdel Agent-Zero is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: frdel Agent-Zero. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Dec 15, 2025. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 15, 2025 · VulnCheck KEV

    Detected

    An issue in the component /api/download_work_dir_file.py of Agent-Zero v0.8.* allows attackers to execute a directory traversal. VulnCheck canary evidence.

  2. Dec 15, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor frdel Agent-Zeroversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2025-55523

    Official CVE identifier

    cve.org
  • VulnCheck KEVConfirmed exploitationCVE-2025-55523

    An issue in the component /api/download_work_dir_file.py of Agent-Zero v0.8.* allows attackers to execute a directory traversal.

    vulncheck.com

References