CVE-2026-103655
Review this vulnerability's source-backed evidence, with unavailable values and read failures kept distinct.
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Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Not mapped by tracked sources.
Atomic
Not mapped by tracked sources.
Nuclei
Not mapped by tracked sources.
What it is
ReportedMISP contains a vulnerability in its two-factor authentication (TOTP) verification process that permits a valid one-time code to be accepted more than once within its time-based validity window. The issue exists in the user login flow where a TOTP code is verified as a second authentication factor. Because the system did not record whether a given TOTP period had already been consumed, the same code remained valid for its entire time window (typically 30 seconds). An attacker who captures a legitimate code during a user's login could replay it to authenticate a second session as that user.…
Source reported · Source: CVE record · Source last published: · Source description excerpt; complete tracked detail loads below. · Source last updated:
What is affected
ReportedMISP; MISP. Product-level identification only; no affected-version conclusion is available from this field.
Source reported · Source: CVE record · Source last published: · Source last updated:
Urgency and basis
ReportedTrack* · 217.9
Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated:
Exploitation evidence
Not reportedNot reported by tracked sources.
What to do
Not reportedNot reported by tracked sources.
Evidence detail
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