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PatchSiren cyber security CVE debrief

CVE-2026-71316 nuxt CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T22:17:07.917Z and has not been modified since then. The vulnerability affects Nuxt versions between 4.4.0 and 4.5.1, allowing runtime cache:nuxt:payload entries for /<page>/_payload.json to be returned before route middleware and page guards, disclosing another user's SSR data. This issue is fixed in 4.5.1. Organizations should review their deployments, verify the effectiveness of updates, and monitor for potential exploitation attempts. Security teams and operators should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance. Evidence is limited; primary official records indicate a vulnerability in Nuxt versions between 4.4.0 and 4.5.1, allowing disclosure of another user's SSR data. Further verification is recommended.

Vendor
nuxt
Product
Unknown
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-05
Original CVE updated
2026-08-05
Advisory published
2026-08-05
Advisory updated
2026-08-05

Who should care

Organizations using Nuxt versions between 4.4.0 and 4.5.1 should be aware of this vulnerability and take steps to mitigate it. This includes reviewing their deployments, verifying the effectiveness of updates, and monitoring for potential exploitation attempts. Security teams and operators should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

A vulnerability in Nuxt versions between 4.4.0 and 4.5.1 allows runtime cache:nuxt:payload entries for /<page>/_payload.json to be returned before route middleware and page guards, disclosing another user's SSR data. This issue is fixed in 4.5.1. Organizations using Nuxt versions between 4.4.0 and 4.5.1 should prioritize updating to version 4.5.1 or later to mitigate this vulnerability. The vulnerability impacts the security of Nuxt applications, potentially allowing unauthorized access to sensitive data. It is essential for organizations to assess their exposure and apply necessary updates or mitigations. The CVE record was published on 2026-08-05T22:17:07.917Z and has not been modified since then.

Defensive priority

Organizations using Nuxt versions between 4.4.0 and 4.5.1 should prioritize updating to version 4.5.1 or later to mitigate this vulnerability.

Recommended defensive actions

  • Update Nuxt to version 4.5.1 or later
  • Review and verify the effectiveness of the update
  • Monitor for potential exploitation attempts
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

Evidence is limited; primary official records indicate a vulnerability in Nuxt versions between 4.4.0 and 4.5.1, allowing disclosure of another user's SSR data. Further verification is recommended. Organizations should verify their deployments, review official advisories, and consider compensating controls. The CVE record was published on 2026-08-05T22:17:07.917Z and has not been modified since then. No additional information is available on the vulnerability's scope or potential impact.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-05T22:17:07.917Z and has not been modified since then.