CVE WatchJul 17, 2026

CVE-2026-49208

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

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

0-100

Published: Jul 17, 2026 · Last modified: Jul 17, 2026 · CWE-20

EPSS · 30d

Not enough EPSS history yet.

Technical description

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.

Official references

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