Is CVE-2026-97058 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-97058?

CVE-2026-97058 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-97058

Description

sprintf-js through 1.1.3 passes unbounded precision specifiers to toFixed, toExponential, and toPrecision methods without validation, causing uncaught RangeError exceptions. Attackers who control format strings can inject precision values exceeding ECMAScript limits to abort calling operations with minimal payload.