CVE-2026-49208 (GCVE-0-2026-49208)

Vulnerability from cvelistv5 – Published: 2026-07-17 16:10 – Updated: 2026-07-21 01:41
VLAI
Title
Symfony UX: Format-less date LiveProps parsed with the permissive DateTime constructor
Summary
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.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 01:41 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7994 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
symfony ux Affected: >= 3.0.0, < 3.1.0
Affected: >= 2.8.0, < 2.36.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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