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CVE-2026-33267

🗓️ 29 Jul 2026 07:21:52Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 72 Views🌐 WEB

Untrusted headers spoof ATS internal metadata; affects Traffic Server versions 9.2.0–9.2.14 and 10.1.0–10.1.3; upgrade to 9.2.15 or 10.1.4.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Improper Input Validation in Apache Traffic_Server
12 Aug 202617:18
githubexploit
attackerkb
ATTACKERKB
CVE-2026-33267
29 Jul 202607:21
attackerkb
alpinelinux
AlpineLinux
CVE-2026-33267
29 Jul 202607:21
alpinelinux
circl
Circl
CVE-2026-33267
29 Jul 202607:52
circl
cvelist
Cvelist
CVE-2026-33267 Apache Traffic Server: Untrusted @ headers can spoof ATS internal metadata
29 Jul 202607:21
cvelist
debiancve
Debian CVE
CVE-2026-33267
29 Jul 202607:21
debiancve
euvd
EUVD
EUVD-2026-50169
29 Jul 202607:21
euvd
fedora
Fedora
[SECURITY] Fedora 43 Update: trafficserver-10.1.4-1.fc43
6 Aug 202616:48
fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: trafficserver-10.1.4-1.fc44
6 Aug 202617:17
fedora
nessus
Tenable Nessus
Fedora 43 : trafficserver (2026-144d6c9bcc)
6 Aug 202600:00
nessus
Rows per page
NVD
Vulners
Node
OR
apachetraffic_serverRange9.2.09.2.15
apachetraffic_serverRange10.0.010.1.4
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Traffic Server",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "9.2.14",
        "status": "affected",
        "version": "9.2.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.3",
        "status": "affected",
        "version": "10.1.0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
@Ats-Internalheader/Untrusted @-prefixed metadata headers can be spoofed by clients before plugin hooks, leaking internal ATS state.CWE-20
@Another-Atheader/Untrusted @-prefixed metadata headers can be spoofed by clients before plugin hooks, leaking internal ATS state.CWE-20

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05 Aug 2026 18:35Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1 - 10
CVSS 47.7
EPSS0.00335
SSVC
72