CVE-2026-13051
Perl Form::Processor HtmlArea allows attacker-driven method calls and memory exhaustion.
Is CVE-2026-13051 being exploited?
Not confirmed. CVE-2026-13051 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.45% probability of exploitation in the next 30 days.
How severe is CVE-2026-13051?
CVE-2026-13051 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-13051?
Yes. A fix has been recorded for CVE-2026-13051. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13051 affect?
CVE-2026-13051 affects Form::Processor::Field::HtmlArea 0.06-1.162360, Perl applications using HtmlArea field. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13051?
Disable HtmlArea, sanitize/strip bracketed input, add WAF rule; apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted HTML can trigger unhandled exceptions, attacker-invoked methods on Locale::Maketext (potential RCE) or massive memory allocation (DoS).
Immediate action required