CVE-2026-50276: DataDog dd-trace-rb · Unthrottled Resource Allocation
Affects DataDog dd-trace-rbSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 2.32.0 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 56% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-09-14.
- Patch
- Available – fixed in 2.32.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 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-rb to 2.32.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DataDogdd-trace-rb | Affected
| Fixed in
|
Description
dd-trace-rb is Datadog's client library for Ruby. Prior to 2.32.0, W3C baggage extraction does not enforce DD_TRACE_BAGGAGE_MAX_ITEMS, which defaults to 64, or DD_TRACE_BAGGAGE_MAX_BYTES, which defaults to 8192, although those limits apply during baggage injection. A remote unauthenticated attacker can send a baggage HTTP header containing many comma-separated key-value pairs or a single very large value. The extraction path allocates entries while parsing the attacker-controlled header on every request, causing unbounded CPU and memory consumption in an HTTP service where the baggage propagation style is enabled, which is the default for most affected tracers. This can cause denial of service. This issue is fixed in version 2.32.0.
References
- github.com/DataDog/dd-trace-rb/security/advisories/GHSA-p5f6-rccc-jv98 (opens in a new tab)
- github.com/DataDog/dd-trace-rb/pull/5672 (opens in a new tab)
- github.com/DataDog/dd-trace-rb/commit/361947090214488778ac4f144e219426ffcf92e6 (opens in a new tab)
- github.com/DataDog/dd-trace-rb/releases/tag/v2.32.0 (opens in a new tab)