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CVE-2026-55789 Logto: SAML IdP injects user-controlled profile attributes raw into signed assertions, allowing privilege escalation at relying Service Providers

🗓️ 10 Jul 2026 19:55:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Logto SAML IdP before 1.41.0 signs unescaped attributes, enabling forged SAML and privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-55789
10 Jul 202621:00
circl
CVE
CVE-2026-55789
10 Jul 202619:55
cve
EUVD
EUVD-2026-43010
10 Jul 202619:55
euvd
NVD
CVE-2026-55789
10 Jul 202620:16
nvd
Positive Technologies
PT-2026-57292
10 Jul 202600:00
ptsecurity
[
  {
    "vendor": "logto-io",
    "product": "logto",
    "versions": [
      {
        "version": "< 1.41.0",
        "status": "affected"
      }
    ]
  }
]

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