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CVE-2026-13075highCWE-770

$rankFusion and $scoreFusion Unbounded Memory Allocation During Error Suggestion Generation

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 85% of all CVEs
observed exploitation
nono source reports it
An authenticated user can cause the mongod process to be terminated by the operating system under memory pressure via the $rankFusion and $scoreFusion aggregation stages. The issue originates in the server's error-handling path and requires the ability to run aggregation queries.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
MongoDB · MongoDB Server