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EUVD-2026-30083Published

Next.js is a React framework for building full-stack web applications. From 13.4.0 to before 15.5.16 and 16.2.5, App Router applications that rely on CSP nonces can be vulnerable to stored cross-site scripting when deployed behind shared ca…

Exact source revision recorded 28 Oct 2026 06:08:31 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-30083

Published

Next.js is a React framework for building full-stack web applications. From 13.4.0 to before 15.5.16 and 16.2.5, App Router applications that rely on CSP nonces can be vulnerable to stored cross-site scripting when deployed behind shared caches. In affected versions, malformed nonce values derived from request headers could be reflected into rendered HTML in an unsafe way, allowing an attacker to poison cached responses and cause script execution for later visitors. This vulnerability is fixed in 15.5.16 and 16.2.5.

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: May 13, 2026, 5:07:15 PM

dateUpdated: May 18, 2026, 2:13:33 PM

1 related source bulletins · separate from aliases

WID-SEC-W-2026-1401: Vercel Next.js: Mehrere Schwachstellen

CVE-2026-23870 · CVE-2026-44572 · CVE-2026-44573 · CVE-2026-44574 · CVE-2026-44575 · CVE-2026-44576 · CVE-2026-44577 · CVE-2026-44578 · CVE-2026-44579 · CVE-2026-44580 · CVE-2026-44581 · CVE-2026-44582

Source published
May 13, 2026, 5:07:15 PM (timezone not stated)
Source modified
May 18, 2026, 2:13:33 PM (timezone not stated)
Observed here
28 Oct 2026 06:08:31 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

EUVD CVSS 3.1 · 4.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

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Sources read 28 Oct 08:36 UTC · 272 of 272 readable · 268 fully read · documentation 469/469 current

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