How severe is CVE-2026-1850?

CVE-2026-1850 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-1850 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1850?

CVE-2026-1850 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1850?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1850 have an EU (EUVD) identifier?

Yes. CVE-2026-1850 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6754.

When was CVE-2026-1850 published?

CVE-2026-1850 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-1850

CVE-2026-1850 is a medium-severity vulnerability in Mongodb with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6754
Weakness: CWE-770
Affected product: Mongodb
Published: 2026-02-10
Last modified: 2026-06-17

Description

Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.

Frequently asked questions

What is CVE-2026-1850?: Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.
How severe is CVE-2026-1850?: CVE-2026-1850 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-1850 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1850?: CVE-2026-1850 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1850?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1850 have an EU (EUVD) identifier?: Yes. CVE-2026-1850 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6754.
When was CVE-2026-1850 published?: CVE-2026-1850 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://jira.mongodb.org/browse/SERVER-114126

Affected products (1)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*

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Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities

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CVE-2026-31283 — Critical (CVSS 9.8): In Totara LMS v19.1.5 and before, the forgot password API does not implement rate limiting for the target email…
CVE-2020-37067 — Critical (CVSS 9.8): Filetto 1.0 FTP server contains a denial of service vulnerability in the FEAT command processing that allows attackers…

Browse all CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

103.7.41.117 (ipv4-addr)
1.234.27.159 (ipv4-addr)
70.81.127.119 (ipv4-addr)
167.71.60.5 (ipv4-addr)
150.136.176.163 (ipv4-addr)
210.245.84.39 (ipv4-addr)
146.59.232.118 (ipv4-addr)
159.223.218.39 (ipv4-addr)