Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.1, when fetch() was called, Deno checked the destination hostname against --deny-net rules but did not re-check the IP addresses that hostname resolved to. An attacker-…
Exact source revision recorded 25 Oct 2026 12:17:38 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-49859
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-693 · CWE-918
Original publisher date fields
published: 2026-06-23T18:18:03.927
lastModified: 2026-06-29T14:38:17.253
1 source CPE criteria · context only
- cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON