CVE-2026-116589: DataDog dd-trace-py · Uncaught Exception
Affects DataDog dd-trace-pySource CVE Database V5
Not known to be exploited · CVSS 8.2 High : upgrade to 4.15.5 soon.
Data as of 26 Oct 2026, 21:57 UTC
- Patch
- Available – fixed in 4.15.5
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade DataDog dd-trace-py to 4.15.5.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DataDogdd-trace-py | Affected
| Fixed in
|
Description
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 and interrupt the work it is handling. Exploitation requires IAST to be enabled, which is not the default, and application code to apply the affected formatting operation to attacker-controlled input. This issue is fixed in version 4.15.5.
References
- github.com/DataDog/dd-trace-py/security/advisories/GHSA-p3m5-h5v9-vqj6 (opens in a new tab)
- github.com/DataDog/dd-trace-py/pull/20786 (opens in a new tab)
- github.com/DataDog/dd-trace-py/pull/20823 (opens in a new tab)
- github.com/DataDog/dd-trace-py/commit/69dc19853247434ceab83e0c1c4e279a2eb2a3f7 (opens in a new tab)
- github.com/DataDog/dd-trace-py/commit/ace972489b57dd020ff52b706bb548a354f2dd69 (opens in a new tab)
- github.com/DataDog/dd-trace-py/releases/tag/v4.15.5 (opens in a new tab)