CVE-2026-50271
CVE-2026-50271 · dd-trace-py: Improper parsing of W3C baggage headers may lead to DoS
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Datadog dd-trace-py is the Datadog Python APM client. Prior to 4.8.2, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES limits on the extract path. A remote, unauthenticated attacker can send a request whose baggage header contains an arbitrarily large number of comma-separated key-value pairs or a single very large value, causing unbounded CPU and memory consumption and enabling a remote denial of service against HTTP services with baggage propagation enabled. This issue is fixed in version 4.8.2.
CVSS 7.5 · Hoch · EPSS 0,8% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
dd-trace-py
- Softwareversionen
- < 4.8.2: Betroffen
Keine Korrektur veröffentlicht
ddtrace PyPI
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Auf 4.8.2 aktualisieren
Originalquellen
- https://github.com/DataDog/dd-trace-py/security/advisories/GHSA-mw54-j2v2-42hr
- https://github.com/DataDog/dd-trace-py/pull/17926
- https://github.com/DataDog/dd-trace-py/commit/9c80faa3dcfe238d008c3b3cd0b8e5dfef0aa4cd
- https://github.com/DataDog/dd-trace-py/releases/tag/v4.8.2
- https://nvd.nist.gov/vuln/detail/CVE-2026-50271