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CVE-2026-93421

🗓️ 23 Sep 2026 18:59:52Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 59 Views🌐 WEB

Unauthenticated log injection in Mesop <1.3.4 via /__csp__ endpoint via ANSI sequences.

Related
Detection
Affected
Refs
Paths
Vulners
Node
mesop-devmesopRange<1.3.4
[
  {
    "vendor": "mesop-dev",
    "product": "mesop",
    "versions": [
      {
        "version": "< 1.3.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
document-uriquery param/__csp__The /__csp__ endpoint passes unauthenticated user-controlled parameters to a handler that prints them to the terminal without neutralizing ANSI/VT100 control sequences, leading to log injection.CWE-117, CWE-150
blocked-uriquery param/__csp__The /__csp__ endpoint passes unauthenticated user-controlled parameters to a handler that prints them to the terminal without neutralizing ANSI/VT100 control sequences, leading to log injection.CWE-117, CWE-150
violated-directivequery param/__csp__The /__csp__ endpoint passes unauthenticated user-controlled parameters to a handler that prints them to the terminal without neutralizing ANSI/VT100 control sequences, leading to log injection.CWE-117, CWE-150

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30 Sep 2026 17:32Current
5.9Medium risk
Vulners AI Score5.9
CVSS 45.3
EPSS0.00528
SSVC
59