CVE-2026-55968
Resource-exhaustion flaw in Apache Thrift Node.js (<0.24.0) enabling remote DoS.
Is CVE-2026-55968 being exploited?
Not confirmed. CVE-2026-55968 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 0.61% probability of exploitation in the next 30 days.
How severe is CVE-2026-55968?
CVE-2026-55968 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-2026-55968?
Yes. A fix has been recorded for CVE-2026-55968. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-55968 affect?
CVE-2026-55968 affects Apache Thrift Node.js bindings (<0.24.0), Node.js services using Thrift RPC. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-55968?
Upgrade Thrift Node.js bindings to >=0.24.0 and add rate-limiting/traffic controls.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote resource exhaustion via crafted Thrift requests causing high CPU/memory, service crash or sustained DoS of Node.js Thrift services.
Patch when possible
- affected< 0.24.0
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.