CVE-2026-82286gpt-crawler Arbitrary File Write via outputFileName Parameter
Updated under an hour ago ()
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It affects BuilderIO gpt-crawler. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
BuilderIO gpt-crawler builderio:gpt_crawler (from the name) | through 1.5.1 | CNA record |
References
- https://github.com/BuilderIO/gpt-crawler/issues/418issue-tracking
- https://github.com/BuilderIO/gpt-crawlerproduct
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/core.tstechnical-description
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/config.tstechnical-description
- https://www.vulncheck.com/advisories/gpt-crawler-arbitrary-file-write-via-outputfilename-parameterthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.