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CVE-2026-49208

6.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

Symfony UX is a JavaScript ecosystem for Symfony. From 2.8.0 until 2.36.0 and 3.1.0, when a #[LiveProp] is typed as DateTimeInterface and no explicit format is configured, Symfony\UX\LiveComponent\LiveComponentHydrator::hydrateObjectValue() falls back to new $className($value), allowing client-supplied relative strings such as now, tomorrow, or +10 years to move a writable, format-less date prop past time-based business logic checks. This issue is fixed in versions 2.36.0 and 3.1.0.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.9 · symfonyNVD modified 2026-10-24 20:10

Affected (CPE criteria) 2

  • cpe:2.3:a:symfony:ux:*:*:*:*:*:*:*:*
  • cpe:2.3:a:symfony:ux:3.0.0:*:*:*:*:*:*:*

References 4