CVE-2026-116588

Datadog dd-trace-py is the Datadog Python APM client. From 1.5.0 until 3.19.9 and 4.15.6, the default query-string obfuscation regular expression can exhibit excessive backtracking while synchronously processing attacker-controlled URL query strings for HTTP span metadata. A remote attacker can...

CVE-2026-116589

The Datadog dd-trace-py Python APM client (versions 3.13.0 through 4.15.5 ) contains a vulnerability in its IAST string-processing instrumentation . The root cause is the failure to properly handle internal errors during old-style % string formatting when processing attacker-controlled input. If ...

CVE-2026-116589 Datadog dd-trace-py: IAST instrumentation can lead to application DOS

Datadog dd-trace-py is the Datadog Python APM client. From 3.13.0 until 4.15.5, the IAST string-processing instrumentation does not properly handle certain internal errors while old-style % string formatting processes attacker-controlled input. An unhandled error can terminate the Python process...

CVE-2026-116588

The Datadog dd-trace-py Python APM client (versions 1.5.0 through 3.19.9 and 4.15.6) is vulnerable to a Regular Expression Denial of Service (ReDOS) . The flaw exists in the default query-string obfuscation regular expression, which can undergo excessive backtracking when synchronously processing...

CVE-2026-116588 Datadog dd-trace-py: ReDOS in URL query string obfuscation

Datadog dd-trace-py is the Datadog Python APM client. From 1.5.0 until 3.19.9 and 4.15.6, the default query-string obfuscation regular expression can exhibit excessive backtracking while synchronously processing attacker-controlled URL query strings for HTTP span metadata. A remote attacker can...

EUVD-2026-110469

Datadog dd-trace-py is the Datadog Python APM client. From 1.5.0 until 3.19.9 and 4.15.6, the default query-string obfuscation regular expression can exhibit excessive backtracking while synchronously processing attacker-controlled URL query strings for HTTP span metadata. A remote attacker can...