CVE-2026-16221 vulnerabilities

Vulnerabilities for packages: argo-workflows, vitess, opensearch-dashboards, yaml-language-server, langfuse, tileserver-gl, renovate, jupyter-base-notebook, prism...

Linux Distros Unpatched Vulnerability : CVE-2026-16221

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal backslash character...

@activepieces/piece-ai (>=0.3.1, <=0.3.4), @middy/validator (>=5.4.3, <=5.4.4) +5 more potentially affected by CVE-2026-16221 via fast-uri (>=3.0.1, <=3.1.3)

fast-uri NPM version =3.0.1, =0.3.1, =5.4.3, =1.0.0, =1.0.0, =1.25.0, =2.2.0, =2.3.1 Source cves: CVE-2026-16221 Source advisory: SNYK:JS-FASTURI-18021349...

CVE-2026-16221

Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal backslash character U+005C as an authority delimiter. Node's native WHATWG URL parser, used by fetch, undici, and Node's http and https clients, normalizes the...

UBUNTU-CVE-2026-16221

Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal backslash character U+005C as an authority delimiter. Node's native WHATWG URL parser, used by fetch, undici, and Node's http and https clients, normalizes the...

CVE-2026-16221

creationtimestamp| type| source ---|---|--- 2026-07-19 14:22:06+00:00| seen| https://bsky.app/profile/ulisesgascon.com/post/3mqyy3s7vts2h 2026-07-19 16:00:20+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mqz5lio7ut2d 2026-07-19 16:04:10+00:00| seen|...

CVE-2026-16221 fast-uri vulnerable to host confusion via literal backslash authority delimiter

Impact: fast-uri versions from 2.3.1 through 4.1.0 including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2 do not treat a literal backslash character U+005C as an authority delimiter. Node's native WHATWG URL parser, used by fetch, undici, and Node's http and https clients, normalizes the...

CVE-2026-16221

CVE-2026-16221 affects fast-uri versions 2.3.1–4.1.0 (including 3.x up to 3.1.3 and 2.x up to 2.4.2). The root cause is that a literal backslash (U+005C) is not treated as an authority delimiter, causing two URL parsers to extract different hosts from the same input. Node’s native WHATWG URL pars...