EUVD-2026-48304
Insufficient Verification of Data Authenticity (CWE-345)
GHSA-2r4j-c245-2qx7
9.1
CVSS 3.1 · Vendor: cert
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Severity by source
Vendor (cert)
PRIMARY
9.1
CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from Vendor (cert) · only source for this CVE.
CVSS VectorVendor: cert
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Lifecycle Timeline
4
Analysis Generated
Jul 27, 2026 - 17:23 vuln.today
CVSS changed
Jul 27, 2026 - 17:22 NVD
9.1 (CRITICAL)
CVE Published
Jul 23, 2026 - 16:17 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 23, 2026 - 16:17 cve.org
CRITICAL 9.1
DescriptionCVE.org
Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.
AnalysisAI
Authentication bypass in Logto allows replay of captured OIDC id_tokens due to missing nonce claim
Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).