CVE-2026-50274High· 7.5▾ TwilightA flaw was found in Datadog dd-trace-go, a Go client library. A remote, unauthenticated attacker can exploit this vulnerability by sending a request with a specially crafted baggage header containing an arbitrarily large number of key-valu…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.2 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.4%
0.4% → 0.8%
Last analysed / modified upstream
A flaw was found in Datadog dd-trace-go, a Go client library. A remote, unauthenticated attacker can exploit this vulnerability by sending a request with a specially crafted baggage header containing an arbitrarily large number of key-value pairs or a very large single value. This can lead to unbounded CPU and memory consumption, resulting in a denial of service (DoS) against HTTP services that have baggage propagation enabled.
github.com/DataDog/dd-trace-go: Datadog dd-trace-go: Denial of Service via malicious baggage headers — rated Important by Red Hat. Released 2026-07-17, updated 2026-09-26.
Not affected:
Refer to the advisory for fix availability.
Affected packages:
github.com/DataDog/dd-trace-go <= 1.24.1github.com/DataDog/dd-trace-go/v2 < 2.8.1Patched in:
github.com/DataDog/dd-trace-go/v2 2.8.1Connected by shared product, vendor, weakness, or advisory.
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