CVE-2026-116693
ReDoS in dd-trace-js causing CPU exhaustion and app stalls via crafted query strings
Is CVE-2026-116693 being exploited?
Not confirmed. CVE-2026-116693 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.
How severe is CVE-2026-116693?
CVE-2026-116693 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-2026-116693?
Yes. A fix has been recorded for CVE-2026-116693. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-116693 affect?
CVE-2026-116693 affects DataDog dd-trace-js versions >=2.0.0 and <5.131.1, DataDog dd-trace-js versions >=6.0.0 and <6.20.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-116693?
Upgrade dd-trace-js to 5.131.1 or 6.20.1 and rate-limit/validate query strings.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted URL query strings trigger regex backtracking, causing CPU exhaustion, stalled request processing and local DoS in instrumented Node.js apps.
Immediate action required
- affected>= 2.0.0 and < 5.131.1
- affected>= 6.0.0 and < 6.20.1
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.