CVE-2026-1848

Connections received from the proxy port may not count towards total accepted connections

HIGH 8.2

At a glance

Source: NVD
EPSS: EPSS 0.30 % · percentile 23 (2026-10-28)
State: PUBLISHED
Published: 2026-02-10 18:22 UTC
Updated: 2026-02-11 15:17 UTC
Assigner: mongodb
NVD status: Analyzed

Description

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from the proxy port, pending the proxy protocol header.

Weaknesses (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

https://jira.mongodb.org/browse/SERVER-114695

Scores

Version	Score	Vector	Scored by
CVSS 4.0	HIGH 8.2	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	mongodb
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	mongodb
CVSS 4.0	HIGH 8.2	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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	NVD · cna@mongodb.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · cna@mongodb.com (Secondary)

European references

ENISA EUVD · EUVD-2026-7064
GCVE · GCVE-0-2026-1848

Affected configurations (NVD CPE)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 7.0.0 < 7.0.29
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.0.0 < 8.0.18
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.2.0 < 8.2.4

Affected products

Product	Versions
MongoDB Inc · MongoDB Server	affected 8.2 < 8.2.4 ; affected 8.0 < 8.0.18 ; affected 7.0 < 7.0.29

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD