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CVE-2026-82286

gpt-crawler Arbitrary File Write via outputFileName Parameter

CVSS 4.0 8.8 HIGHCVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82286

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82286

Published

gpt-crawler

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "gpt-crawler",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "1.5.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON