CVE-2026-82286
High
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductBuilderio Gpt-crawler
PublishedAug 28, 2026
First seenAug 28, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BuilderIO gpt-crawler | v ≤ 1.5.1 | — |
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