CVE-2026-39197: n/a
A denial of service (DoS) vulnerability exists in Datadog, Inc Vector version 0.54.0 at the /util/http/prelude.rs endpoint. This issue allows attackers with low privileges to cause service disruption via crafted requests or payloads. The vulnerability has a CVSS score of 6.5, indicating medium severity. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
CVE-2026-39197 describes a denial of service vulnerability in the /util/http/prelude.rs endpoint of Datadog, Inc Vector version 0.54.0. An attacker with low privileges can send a specially crafted request or payload to trigger a denial of service condition. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). No known exploits are reported in the wild, and no official remediation or patch is currently available.
Potential Impact
Successful exploitation results in denial of service, causing the affected Vector instance to become unavailable or unresponsive. There is no impact on confidentiality or integrity according to the CVSS vector. The attack requires network access and low privileges, with no user interaction needed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable endpoint and monitoring for unusual request patterns targeting /util/http/prelude.rs. No official remediation or temporary fix is currently documented.
CVE-2026-39197: n/a
Description
A denial of service (DoS) vulnerability exists in Datadog, Inc Vector version 0.54.0 at the /util/http/prelude.rs endpoint. This issue allows attackers with low privileges to cause service disruption via crafted requests or payloads. The vulnerability has a CVSS score of 6.5, indicating medium severity. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-39197 describes a denial of service vulnerability in the /util/http/prelude.rs endpoint of Datadog, Inc Vector version 0.54.0. An attacker with low privileges can send a specially crafted request or payload to trigger a denial of service condition. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). No known exploits are reported in the wild, and no official remediation or patch is currently available.
Potential Impact
Successful exploitation results in denial of service, causing the affected Vector instance to become unavailable or unresponsive. There is no impact on confidentiality or integrity according to the CVSS vector. The attack requires network access and low privileges, with no user interaction needed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable endpoint and monitoring for unusual request patterns targeting /util/http/prelude.rs. No official remediation or temporary fix is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3052db0b89be6888826f15
Added to database: 06/15/2026, 19:30:35 UTC
Last enriched: 06/23/2026, 15:13:30 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 63
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