Product by Ruby

    JSON

    4 known vulnerabilities in JSON (Ruby), 0 of them actively exploited (CISA KEV).

    Key figures

    4

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in JSON (Ruby)
    CriticalCVE-2026-33210

    Ruby JSON has a format string injection vulnerability

    also in 1 other product

    		9.1
    HighCVE-2026-71847

    Ruby JSON: Use After Free

    		—
    HighCVE-2025-27788

    Ruby JSON Parser has Out-of-bounds Read

    also in 1 other product

    		7.5
    LowCVE-2026-54696

    Ruby JSON: JSON generator heap buffer overflow when streaming to an IO

    		3.7

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