EUVD-2026-64122Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible unauthenticated public endpoint; C:L not C:H because only account existence is disclosed, not credentials or sensitive data.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
Combodo iTop is a web based IT service management tool. Prior to 3.2.3, iTop returns different responses for valid/invalid usernames depending on multiple factors in the reset password mechanism, leading to user enumeration. This issue has been fixed in version 3.2.3.
AnalysisAI
User enumeration in Combodo iTop prior to version 3.2.3 allows remote unauthenticated attackers to identify valid accounts by observing distinct error responses in the forgot-password mechanism. The application returned different messages depending on account state - external authentication, fixed password, missing email - making it possible to distinguish valid usernames from invalid ones without any credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The vulnerable endpoint is the publicly accessible forgot-password page (ForgotPwdGo() handler), reachable without authentication per the CVSS vector PR:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-assigned CVSS score of 7.5 (High) with C:H overstates the direct impact: this vulnerability discloses account existence, not passwords, session tokens, or sensitive business data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Combodo iTop to version 3.2.3, which eliminates the observable response discrepancy by rendering an identical success page for all password-reset code paths. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Combodo iTop instances in your environment and document their current versions through system inventory or administrative logs. …
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Same weakness CWE-204 – Observable Response Discrepancy
View allSame technique Information Disclosure
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External POC / Exploit Code
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