---
title: "CVE-2026-116693: Datadog dd-trace - Denial of Service"
description: "Datadog dd-trace for Node.js 2.0.0 to 5.131.1 and 6.20.1 contains a denial of service caused by excessive backtracking in DD_TRACE_OBFUSCATION_QUERY_STRING_REGEXP on attacker-controlled URL query strings, letting attackers stall request processing, exploit requires crafted HTTP requests."
url: https://panop.io/threat-heartbeat/CVE-2026-116693/
---

# CVE-2026-116693 Datadog dd-trace - Denial of Service

Datadog dd-trace for Node.js 2.0.0 to 5.131.1 and 6.20.1 contains a denial of service caused by excessive backtracking in DD\_TRACE\_OBFUSCATION\_QUERY\_STRING\_REGEXP on attacker-controlled URL query strings, letting attackers stall request processing, exploit requires crafted HTTP requests.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-116693)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-1333](https://cwe.mitre.org/data/definitions/1333.html)

## Vendor fix

Upgrade to versions 5.131.1 or 6.20.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-116693](https://nvd.nist.gov/vuln/detail/CVE-2026-116693)
- [https://github.com/DataDog/dd-trace-js/commit/5eeee790c93036a50549056fc890028cb4c86b1b](https://github.com/DataDog/dd-trace-js/commit/5eeee790c93036a50549056fc890028cb4c86b1b)
- [https://github.com/DataDog/dd-trace-js/commit/cf4e68a45fa1442c9850f2086c81901258e821b8](https://github.com/DataDog/dd-trace-js/commit/cf4e68a45fa1442c9850f2086c81901258e821b8)
- [https://github.com/DataDog/dd-trace-js/pull/10675](https://github.com/DataDog/dd-trace-js/pull/10675)
- [https://github.com/DataDog/dd-trace-js/releases/tag/v5.131.1](https://github.com/DataDog/dd-trace-js/releases/tag/v5.131.1)
- [https://github.com/DataDog/dd-trace-js/releases/tag/v6.20.1](https://github.com/DataDog/dd-trace-js/releases/tag/v6.20.1)
- [https://github.com/DataDog/dd-trace-js/security/advisories/GHSA-x94g-w73q-hpcw](https://github.com/DataDog/dd-trace-js/security/advisories/GHSA-x94g-w73q-hpcw)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)