CVE-2026-15612
CRITICALCVSS 9.1/10EPSS 0.13%
Last modified
CVE-2026-15612 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Logto | Logto | >= 1.10.1, <= 1.37.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-15612?
Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.
How severe is CVE-2026-15612?
CVE-2026-15612 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15612?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
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Are you affected by CVE-2026-15612?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST