CVE-2026-114141
toml-node parsing bug causes event-loop blocking DoS (fixed in v5.0.1)
Is CVE-2026-114141 being exploited?
Not confirmed. CVE-2026-114141 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 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-114141?
CVE-2026-114141 is rated High with a CVSS score of 8.7. 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-2026-114141?
Yes. A fix has been recorded for CVE-2026-114141. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-114141 affect?
CVE-2026-114141 affects toml-node < 5.0.1, Node.js applications using toml-node. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-114141?
Upgrade toml-node to v5.0.1 or later; validate/rate-limit TOML inputs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted TOML with many [[table]] headers triggers quadratic parsing, blocking Node.js event loop and causing process-level Denial of Service.
Patch when possible
- affected< 5.0.1
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.