CVE-2026-8450
OS command injection via HTTP::Daemon send_file() in Perl (<6.17).
Is CVE-2026-8450 being exploited?
Not confirmed. CVE-2026-8450 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 1.4% probability of exploitation in the next 30 days.
How severe is CVE-2026-8450?
CVE-2026-8450 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-2026-8450?
Yes. A fix has been recorded for CVE-2026-8450. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-8450 affect?
CVE-2026-8450 affects Perl HTTP::Daemon, Perl apps using HTTP::Daemon. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-8450?
Upgrade to 6.17+; sanitize inputs; restrict exposure
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via untrusted input to send_file(); read-pipe leaks stdout; can create/overwrite files.
Patch when possible
- affected< 6.17
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.