CVE-2026-39197

MEDIUM

Vector 0.54.0 - Denial of Service via /util/http/prelude.rs Endpoint

Title source: llm
STIX 2.1

Description

An issue in the /util/http/prelude.rs endpoint of Datadog, Inc Vector v0.54.0 allows attackers to cause a Denial of Service (DoS) via a crafted request or payload.

References (1)

Core 1

Scores

CVSS v3 6.5
EPSS 0.0029
EPSS Percentile 20.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Published Jun 15, 2026
Tracked Since Jun 16, 2026