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CVE-2026-12568: BBOT: Arbitrary File Write in postman_download Module

June 18, 2026

The postman_download module uses the workspace name field from the Postman API to construct the local directory path without sanitization. If a malicious workspace has a name containing path traversal characters, pathlib resolves the path outside the intended output directory, allowing an attacker to write arbitrary files to the user’s system.

References

  • github.com/advisories/GHSA-m54h-vhf9-3w3m
  • github.com/blacklanternsecurity/bbot/commit/36bc20818
  • github.com/blacklanternsecurity/bbot/security/advisories/GHSA-m54h-vhf9-3w3m
  • nvd.nist.gov/vuln/detail/CVE-2026-12568

Code Behaviors & Features

Detect and mitigate CVE-2026-12568 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.1.0 before 2.8.6

Fixed versions

  • 2.8.6

Solution

Upgrade to version 2.8.6 or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-125: Out-of-bounds Read
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-73: External Control of File Name or Path

Source file

pypi/bbot/CVE-2026-12568.yml

Spotted a mistake? Edit the file on GitLab.

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