CVE-2026-92002
MEDIUMDescription
Affected versions of MISP use Redis to throttle repeated authentication-failure log entries. The intent is to avoid excessive duplicate logs while still recording failed authentication activity. However, User->setupRedis() returns false when Redis cannot be reached. The vulnerable _shouldLog() logic only returned true when a Redis instance existed and no throttle key was present. Therefore, when Redis was unavailable, the function did not allow the log write at all, effectively silencing authentication-failure logging for the duration of the outage. Version affected: ≤2.5.45
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v4 Vector
Exploitability
Impact
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/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
Exploit Intelligence
EPSS data unavailable for this CVE.
References
Related Vulnerabilities
Other CWE-778 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-7613 | High | 7.5 | 1.3% | - | Fix |
| CVE-2019-19277 | Medium | 6.5 | 1.2% | - | Fix |
| CVE-2019-19295 | Medium | 4.3 | 1.1% | - | - |
| CVE-2022-31120 | Low | 2.1 | 0.9% | - | Fix |
| CVE-2021-43419 | High | 7.5 | 0.7% | - | - |
| CVE-2026-66816 | High | 6.5 | 0.7% | - | Fix |
Common questions
How do I fix CVE-2026-92002?
No published fix for CVE-2026-92002 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
How severe is CVE-2026-92002?
CVE-2026-92002 has a CVSS v4 base score of 5.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-16.