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CVE-2026-27884

NetExec is a network execution tool.

Published Feb 26, 2026 · updated Jun 17, 2026

NetExec is a network execution tool. Prior to version 1.5.1, the module spider_plus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such as in them. An attacker can craft a filename in an SMB share that includes these characters, which when spider_plus crawls and downloads, can write or overwrite arbitrary files. The issue is patched in v1.5.1. As a workaround, do not run spider_plus with DOWNLOAD=true against targets.

Code

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Timeline

Detection, updates, and resolution for this record.

  1. Feb 26, 2026 · NIST NVD

    Detected

    NetExec is a network execution tool. Prior to version 1.5.1, the module spider_plus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such as in them. An attacker can craft a filename in an SMB share that includes these characters, which when spider_plus craw

  2. Jun 17, 2026 · NIST NVD

    Updated

    NetExec is a network execution tool. Prior to version 1.5.1, the module spider_plus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such as in them. An attacker can craft a filename in an SMB share that includes these characters, which when spider_plus craw

Sources

  • CVE.orgVulnerability recordCVE-2026-27884

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-27884

    NetExec is a network execution tool. Prior to version 1.5.1, the module spider_plus improperly creates the output file and folder path when saving files from SMB shares. It does not take into account that it is possible for Linux SMB shares to have path traversal characters such

    nvd.nist.gov

References