CVE-2017-14849
Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 54.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 54.39% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- nodejs/node.js
- Source
- cve@mitre.org
EPSS moved from 39.6% on 21 September 2026 to 54.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/101056Third Party Advisory, VDB Entry
- https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/Patch, Vendor Advisory
- https://twitter.com/nodejs/status/913131152868876288Patch, Third Party Advisory
- http://www.securityfocus.com/bid/101056Third Party Advisory, VDB Entry
- https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/Patch, Vendor Advisory
- https://twitter.com/nodejs/status/913131152868876288Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.