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CVE-2026-4809criticalCWE-434

Unsafe Client MIME Type Handling Can Enable Arbitrary File Upload in plank/laravel-mediable

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 1.1%
exploitation probability
1.1%top 35% of all CVEs
observed exploitation
nono source reports it
plank/laravel-mediable through version 6.4.0 can allow upload of a dangerous file type when an application using the package accepts or prefers a client-supplied MIME type during file upload handling. In that configuration, a remote attacker can submit a file containing executable PHP code while declaring a benign image MIME type, resulting in arbitrary file upload.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
plank · laravel-mediable