CVE-2026-115390: wasmtime 47.0.0 to before 48.0.3, 49.0.0 to before 49.0.1

Affected technology

wasmtime · 47.0.0 to before 48.0.3, 49.0.0 to before 49.0.1
bytecodealliance

Description’s affected range: before 48.0.3 and 49.0.0 before 49.0.1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction

What an attacker can do

The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and integrity impact as none; availability impact as high.