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CVE-2026-96770 s2s-proxy accepts untrusted client certificates

🗓️ 23 Sep 2026 18:58:46Reported by TemporalType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Unauthenticated RPC via untrusted client certificates in s2s-proxy up to 0.2.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-96770
23 Sep 202620:08
–circl
cve
CVE
CVE-2026-96770
23 Sep 202618:58
–cve
euvd
EUVD
EUVD-2026-85567
23 Sep 202618:58
–euvd
nvd
NVD
CVE-2026-96770
23 Sep 202619:19
–nvd
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-96770: Improper Following of a Certificate's Chain of Trust
23 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-96770 s2s-proxy accepts untrusted client certificates
23 Sep 202618:58
–vulnrichment
[
  {
    "vendor": "Temporal Technologies, Inc.",
    "product": "s2s-proxy",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "github.com/temporalio/s2s-proxy",
    "repo": "https://github.com/temporalio/s2s-proxy",
    "programFiles": [
      "encryption/tls.go"
    ],
    "programRoutines": [
      {
        "name": "GetServerTLSConfig"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0.0.1-alpha",
        "lessThanOrEqual": "0.2.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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