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Vulnerability record · CVE-2018-8004 · published 29 August 2018

CVE-2018-8004: Apache traffic server http request smuggling vulnerability

Apache · Traffic Server

There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

6.5 CVSS 3.0 Medium EPSS 6.3% · top 6.6% CWE-444 · HTTP request smuggling
6.5CVSS 3.0 base score, v2 4.0
6.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105192 Third Party AdvisoryVDB Entry
https://github.com/apache/trafficserver/pull/3192 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3201 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3231 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3251 PatchThird Party Advisory
https://lists.apache.org/thread.html/7df882eb09029a4460768a61f88a30c9c30c9dc88e9bcc6e19ba24d5%40%3Cusers.trafficserver.a
https://www.debian.org/security/2018/dsa-4282 Third Party Advisory
http://www.securityfocus.com/bid/105192 Third Party AdvisoryVDB Entry
https://github.com/apache/trafficserver/pull/3192 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3201 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3231 PatchThird Party Advisory
https://github.com/apache/trafficserver/pull/3251 PatchThird Party Advisory
https://lists.apache.org/thread.html/7df882eb09029a4460768a61f88a30c9c30c9dc88e9bcc6e19ba24d5%40%3Cusers.trafficserver.a
https://www.debian.org/security/2018/dsa-4282 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-8004), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.