EUVD-2026-65468
GHSA-x6rr-9jxr-vqvg
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
PR:L required as attacker must hold valid first-factor credentials; no availability impact from authentication bypass alone.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
A vulnerability was found in liketrek TREK up to 3.0.22. Impacted is the function loginUser of the file server/src/services/authService.ts of the component Pre-2FA mfa_token Handler. The manipulation results in improper authentication. The attack may be performed from remote. Upgrading to version 3.1.0 is recommended to address this issue. Upgrading the affected component is recommended.
AnalysisAI
Authentication bypass in liketrek TREK up to v3.0.22 allows a remote attacker with valid credentials to circumvent two-factor authentication by manipulating the mfa_token parameter in the Pre-2FA handler of the loginUser function (authService.ts). The CVSS 4.0 vector (PR:L) confirms low-privilege credentials are a prerequisite, meaning the bypass targets users who have valid username/password combinations but should still be blocked by a second factor. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must possess valid primary credentials (username and password) for a TREK account - this is the explicit prerequisite encoded in PR:L of the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.3 (Medium) reflects the PR:L prerequisite - an attacker must already possess a valid TREK account username and password before the bypass is achievable, meaningfully limiting the exposed attack surface compared to a fully unauthenticated bypass. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained valid TREK credentials - through phishing, credential stuffing, or a prior breach of a user's password - initiates a login request against the TREK instance. Rather than completing the MFA challenge normally, the attacker manipulates the mfa_token value sent to the Pre-2FA handler in loginUser, exploiting the improper validation to satisfy the authentication check without possessing the legitimate second factor. … |
| Remediation | Vendor-released patch: v3.1.0, available at https://github.com/liketrek/TREK/releases/tag/v3.1.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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