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Title: fast-uri vulnerable to host confusion via percent-encoded authority delimiters · CVE-2026-6322 · GitHub Advisory Database · GitHub

Open Graph Title: CVE-2026-6322 - GitHub Advisory Database

X Title: CVE-2026-6322 - GitHub Advisory Database

Description: GitHub is where people build software. More than 225 million people use GitHub to discover, fork, and contribute to over 800 million projects.

Open Graph Description: fast-uri vulnerable to host confusion via percent-encoded authority delimiters

X Description: fast-uri vulnerable to host confusion via percent-encoded authority delimiters

Opengraph URL: https://github.com/advisories/GHSA-v39h-62p7-jpjc

X: @github

direct link

Domain: github.com

react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
route-pattern/advisories/:id(.:format)
route-controllerglobal_advisories
route-actionshow
fetch-noncev2:9c6183ac-b5d9-bff3-227d-3ec1b42f9d10
current-catalog-service-hashb5fafa2158e952dddc485a80b5ade8af1f45dec1b0b35bad86be148d2e4340e0
request-id97B2:8C98D:A890AD:E55FB5:6AEDD125
html-safe-nonce606436e2bc61054667afd6c6ce17ef10a40746d3613ec1feea4e8b32808ce2d2
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5N0IyOjhDOThEOkE4OTBBRDpFNTVGQjU6NkFFREQxMjUiLCJ2aXNpdG9yX2lkIjoiNDczMTUyNDE3NjIzOTUxMzg5MyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac5f13df1047470e4ee8a835a6a4b5b30f43ef3dfd4bb407064be0ea13cfad859d
hovercard-subject-tagadvisory:354285
github-keyboard-shortcutscopilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location/advisories/
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/advisories/GHSA-v39h-62p7-jpjc
twitter:imagehttps://github.githubassets.com/assets/advisory-database-show-f32c8207dfb2.png
twitter:cardsummary
og:imagehttps://github.githubassets.com/assets/advisory-database-show-f32c8207dfb2.png
og:image:altfast-uri vulnerable to host confusion via percent-encoded authority delimiters
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
Nonef60373873bb1ef795e8511ea1f2a76997e9c649d72b02942aedf2def3423a0ce
turbo-cache-controlno-preview
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release0f55cfa61438c7dc93d1024a1e5e5182b36830e2
ui-targetfull
theme-color#1e2327
color-schemelight dark

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GitHub Advisory Databasehttps://github.com/advisories
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CVE-2026-6322https://github.com/advisories/GHSA-v39h-62p7-jpjc
fastify/fast-uri https://github.com/fastify/fast-uri
Vulnerability details https://github.com/advisories/GHSA-v39h-62p7-jpjc
Dependabot alerts 0 https://github.com/advisories/GHSA-v39h-62p7-jpjc/dependabot
npmhttps://github.com/advisories?query=ecosystem%3Anpm
GHSA-v39h-62p7-jpjchttps://github.com/fastify/fast-uri/security/advisories/GHSA-v39h-62p7-jpjc
https://nvd.nist.gov/vuln/detail/CVE-2026-6322https://nvd.nist.gov/vuln/detail/CVE-2026-6322
https://cna.openjsf.org/security-advisories.htmlhttps://cna.openjsf.org/security-advisories.html
https://access.redhat.com/errata/RHSA-2026:37186https://access.redhat.com/errata/RHSA-2026:37186
https://access.redhat.com/errata/RHSA-2026:37385https://access.redhat.com/errata/RHSA-2026:37385
https://access.redhat.com/errata/RHSA-2026:37628https://access.redhat.com/errata/RHSA-2026:37628
https://access.redhat.com/errata/RHSA-2026:40118https://access.redhat.com/errata/RHSA-2026:40118
https://access.redhat.com/errata/RHSA-2026:40945https://access.redhat.com/errata/RHSA-2026:40945
https://access.redhat.com/errata/RHSA-2026:41066https://access.redhat.com/errata/RHSA-2026:41066
https://access.redhat.com/errata/RHSA-2026:41928https://access.redhat.com/errata/RHSA-2026:41928
https://access.redhat.com/errata/RHSA-2026:41951https://access.redhat.com/errata/RHSA-2026:41951
https://access.redhat.com/errata/RHSA-2026:42078https://access.redhat.com/errata/RHSA-2026:42078
https://access.redhat.com/errata/RHSA-2026:42142https://access.redhat.com/errata/RHSA-2026:42142
https://access.redhat.com/errata/RHSA-2026:43038https://access.redhat.com/errata/RHSA-2026:43038
https://access.redhat.com/security/cve/CVE-2026-6322https://access.redhat.com/security/cve/CVE-2026-6322
https://bugzilla.redhat.com/show_bug.cgi?id=2466684https://bugzilla.redhat.com/show_bug.cgi?id=2466684
https://github.com/fastify/fast-uri/releases/tag/v2.4.1https://github.com/fastify/fast-uri/releases/tag/v2.4.1
https://github.com/fastify/fast-uri/releases/tag/v3.1.2https://github.com/fastify/fast-uri/releases/tag/v3.1.2
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6322.jsonhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6322.json
https://access.redhat.com/errata/RHSA-2026:25271https://access.redhat.com/errata/RHSA-2026:25271
https://access.redhat.com/errata/RHSA-2026:25273https://access.redhat.com/errata/RHSA-2026:25273
https://access.redhat.com/errata/RHSA-2026:26225https://access.redhat.com/errata/RHSA-2026:26225
https://access.redhat.com/errata/RHSA-2026:26234https://access.redhat.com/errata/RHSA-2026:26234
https://access.redhat.com/errata/RHSA-2026:28571https://access.redhat.com/errata/RHSA-2026:28571
https://access.redhat.com/errata/RHSA-2026:29197https://access.redhat.com/errata/RHSA-2026:29197
https://access.redhat.com/errata/RHSA-2026:29795https://access.redhat.com/errata/RHSA-2026:29795
https://access.redhat.com/errata/RHSA-2026:29796https://access.redhat.com/errata/RHSA-2026:29796
https://access.redhat.com/errata/RHSA-2026:29800https://access.redhat.com/errata/RHSA-2026:29800
https://access.redhat.com/errata/RHSA-2026:29834https://access.redhat.com/errata/RHSA-2026:29834
https://access.redhat.com/errata/RHSA-2026:30076https://access.redhat.com/errata/RHSA-2026:30076
https://access.redhat.com/errata/RHSA-2026:33683https://access.redhat.com/errata/RHSA-2026:33683
https://access.redhat.com/errata/RHSA-2026:34160https://access.redhat.com/errata/RHSA-2026:34160
https://access.redhat.com/errata/RHSA-2026:34342https://access.redhat.com/errata/RHSA-2026:34342
https://access.redhat.com/errata/RHSA-2026:34374https://access.redhat.com/errata/RHSA-2026:34374
https://access.redhat.com/errata/RHSA-2026:34766https://access.redhat.com/errata/RHSA-2026:34766
https://access.redhat.com/errata/RHSA-2026:34770https://access.redhat.com/errata/RHSA-2026:34770
https://access.redhat.com/errata/RHSA-2026:36651https://access.redhat.com/errata/RHSA-2026:36651
https://access.redhat.com/errata/RHSA-2026:36754https://access.redhat.com/errata/RHSA-2026:36754
https://access.redhat.com/errata/RHSA-2026:54395https://access.redhat.com/errata/RHSA-2026:54395
https://access.redhat.com/errata/RHSA-2026:56366https://access.redhat.com/errata/RHSA-2026:56366
https://access.redhat.com/errata/RHSA-2026:56431https://access.redhat.com/errata/RHSA-2026:56431
https://access.redhat.com/errata/RHSA-2026:54555https://access.redhat.com/errata/RHSA-2026:54555
https://access.redhat.com/errata/RHSA-2026:56928https://access.redhat.com/errata/RHSA-2026:56928
https://access.redhat.com/errata/RHSA-2026:56968https://access.redhat.com/errata/RHSA-2026:56968
https://access.redhat.com/errata/RHSA-2026:57013https://access.redhat.com/errata/RHSA-2026:57013
https://access.redhat.com/errata/RHSA-2026:57487https://access.redhat.com/errata/RHSA-2026:57487
https://access.redhat.com/errata/RHSA-2026:60520https://access.redhat.com/errata/RHSA-2026:60520
https://access.redhat.com/errata/RHSA-2026:60855https://access.redhat.com/errata/RHSA-2026:60855
https://access.redhat.com/errata/RHSA-2026:61783https://access.redhat.com/errata/RHSA-2026:61783
https://github.com/mcollina
mcollinahttps://github.com/mcollina
fastify/fast-uri https://github.com/fastify/fast-uri/security/advisories/GHSA-v39h-62p7-jpjc
National Vulnerability Databasehttps://nvd.nist.gov/vuln/detail/CVE-2026-6322
FIRSThttps://www.first.org/epss/
Improper Neutralization of Delimitershttps://github.com/advisories?query=cwe%3A140
Learn more on MITRE.https://cwe.mitre.org/data/definitions/140.html
Interpretation Conflicthttps://github.com/advisories?query=cwe%3A436
Learn more on MITRE.https://cwe.mitre.org/data/definitions/436.html
fastify/fast-urihttps://github.com/fastify/fast-uri
https://github.com/Jvr2022
Jvr2022https://github.com/Jvr2022
https://github.com/mcollina
mcollinahttps://github.com/mcollina
https://github.com/UlisesGascon
UlisesGasconhttps://github.com/UlisesGascon
https://github.com/climba03003
climba03003https://github.com/climba03003
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jlang-ihhttps://github.com/jlang-ih
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Suggest improvements for this vulnerabilityhttps://github.com/advisories/GHSA-v39h-62p7-jpjc/improve
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