CVE-2026-82286: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in BuilderIO gpt-crawler
gpt-crawler through 1.5.1 fails to validate the outputFileName parameter in the POST /crawl endpoint, allowing unauthenticated attackers to write arbitrary files to any filesystem path. Attackers can supply absolute paths or parent-directory segments to overwrite existing files with content sourced from attacker-controlled URLs.
CVE-2026-82286: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in BuilderIO gpt-crawler
Description
gpt-crawler through 1.5.1 fails to validate the outputFileName parameter in the POST /crawl endpoint, allowing unauthenticated attackers to write arbitrary files to any filesystem path. Attackers can supply absolute paths or parent-directory segments to overwrite existing files with content sourced from attacker-controlled URLs.
CVSS v4.0
Score 8.8high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T11:12:52.669Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a91e417acd9273b4942e936
Added to database: 08/28/2026, 19:40:07 UTC
Last updated: 08/28/2026, 20:22:11 UTC
Views: 4
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