CVEvulnerability
CVE-2026-82286
8.8 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-08-28
- Last modified
- 2026-09-23
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.8 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- Weaknesses
- CWE-22
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.
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/BuilderIO/gpt-crawler github.com
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/config.ts github.com
- https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/core.ts github.com
- https://github.com/BuilderIO/gpt-crawler/issues/418 github.com
- https://www.vulncheck.com/advisories/gpt-crawler-arbitrary-file-write-via-outputfilename-parameter www.vulncheck.com
- https://github.com/BuilderIO/gpt-crawler/issues/418 github.com