CVE-2026-4148
moderate-risk
Published 2026-03-17
A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.
Do I need to act?
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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Vendors
References (1)
43
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
0/34 · Minimal
Exposure
13/34 · Low