CVE-2026-82286

HighCVSS 8.6/10Last modified Sep 23, 2026

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.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
BuilderIO	gpt-crawler	<= 1.5.1

References

Timeline

Published: Aug 28, 2026
Last modified: Sep 23, 2026
NVD status: Deferred

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