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
cve-program · CVE-2026-82286
Publishedgpt-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 advisoryAffected versions, risk and source history
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CVE-2026-82286 · CVE overview and exploitation status
cve-program · CVE-2026-82286
- https://github.com/BuilderIO/gpt-crawler/issues/418
- https://github.com/BuilderIO/gpt-crawler
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/core.ts
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/config.ts
- https://www.vulncheck.com/advisories/gpt-crawler-arbitrary-file-write-via-outputfilename-parameter
Related changes
Linked by CVE identifierNo related changes are available here.