Cyber Resilience

CVE-2026-56326

MediumPublic PoC

Published: 22 June 2026

Published
22 June 2026
Modified
25 June 2026
KEV Added
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Patch
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CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0021 10.6th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-56326 is a medium-severity Open Redirect (CWE-601) vulnerability in Nuxt Nuxt. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Malicious Link (T1204.001); ranked at the 10.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability details

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 contain a server-side open redirect vulnerability in navigateTo that fails to properly validate path-normalized payloads like /..//evil.com and /.//evil.com. Attackers can bypass external-host checks using path-normalization techniques to redirect users to…

more

attacker-controlled sites via the Location header or meta-refresh, enabling phishing and OAuth authorization-code theft.

CWE(s)
CWE-601

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
attack.mitre.org →
Why these techniques?

Open redirect vuln directly enables crafting malicious links for user execution and OAuth token theft via crafted redirects.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-56697Same product: Nuxt Nuxt
CVE-2026-56698Same product: Nuxt Nuxt
CVE-2025-27415Same product: Nuxt Nuxt
CVE-2024-42352Same product: Nuxt Nuxt
CVE-2024-34344Same product: Nuxt Nuxt
CVE-2026-56317Same product: Nuxt Nuxt
CVE-2023-3224Same product: Nuxt Nuxt
CVE-2026-56301Same product: Nuxt Nuxt
CVE-2024-23657Same product: Nuxt Nuxt
CVE-2026-53721Same product: Nuxt Nuxt

Affected Assets

nuxt
nuxt
3.0.0 — 3.21.7 · 4.0.0 — 4.4.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AT-2 Literacy Training and Awareness
addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

SI-10 Information Input Validation
addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References