VULNRABLE / Vulnerability / CVE-2026-89407

CVE-2026-89407

HIGH LOW com.fasterxml.jackson.core:jackson-core GHSA

Exploit verdict: No active-exploit signal

CVSS Score

Severity

HIGH

EPSS

Source

GHSA

Summary

jackson-core: ReDoS: quadratic backtracking in NumberInput.PATTERN_FLOAT via looksLikeValidNumber()

What this means

CVE-2026-89407 is a high-severity vulnerability affecting com.fasterxml.jackson.core:jackson-core, rated CVSS 8. The EPSS model estimates a 1% probability of exploitation in the next 30 days. Published October 1, 2026.

View full advisory at GHSA →