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CVE-2026-42191 OpenTelemetry.Exporter.OpenTelemetryProtocol: Disk retry default temp path enables local blob injection for OTLP Exporter

🗓️ 12 May 2026 19:12:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Fixed OTLP disk retry path allowing blob injection on multi-user systems; fixed in 1.15.3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42191
12 May 202619:12
–attackerkb
cgr
Chainguard
CVE-2026-42191 vulnerabilities
1 May 202619:17
–cgr
cnnvd
CNNVD
OpenTelemetry .NET Contrib security vulnerability
12 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42191
12 May 202619:12
–cve
github
Github Security Blog
OpenTelemetry's disk retry default temp path enables local blob injection via OTLP Exporter
30 Apr 202618:34
–github
mend
Mend
CVE-2026-42191
12 May 202619:12
–mend
nvd
NVD
CVE-2026-42191
12 May 202620:16
–nvd
osv_cga
osv_cga
CGA-4M94-4256-GGFW
1 May 202600:39
–osv_cga
osv_cga
osv_cga
CGA-GRQ6-68P9-38QW
30 Apr 202623:45
–osv_cga
osv_cga
osv_cga
CGA-VJ89-PJC5-FVHQ
1 May 202614:30
–osv_cga
Rows per page
[
  {
    "vendor": "open-telemetry",
    "product": "opentelemetry-dotnet",
    "versions": [
      {
        "version": ">= 1.8.0, < 1.15.3",
        "status": "affected"
      }
    ]
  }
]

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