CVE-2026-11373
Metric name injection via newline and control chars in Net::Statsite::Client.
Is CVE-2026-11373 being exploited?
Not confirmed. CVE-2026-11373 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 0.57% probability of exploitation in the next 30 days.
How severe is CVE-2026-11373?
CVE-2026-11373 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-2026-11373?
Yes. A fix has been recorded for CVE-2026-11373. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-11373 affect?
CVE-2026-11373 affects Net::Statsite::Client (Perl) <= 1.1.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-11373?
Upgrade to patched release when available; sanitize metric inputs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Metric-name injections via newline/control chars; may misparse data, corrupt metrics, or enable code execution on backends.
Patch when possible
- affected<= 1.1.0
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.