CVE-2026-25611

CVE Enrichment

CVSS: 8.7 HIGH
EPSS: 0.86%
EPSS Percentile: 58.79%
CISA KEV: Not listed

Description

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 11-Feb-2026 01:16
Last Modified: 17-Jun-2026 17:24
EPSS Date: 2026-11-09
CWE: CWE-405

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            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

CNA Products / Version Status

MongoDB Inc · MongoDB Server Source: CNA · [email protected]
Default status: unaffected

8.2 ≤ version < 8.2.4 — affected (semver)
8.0 ≤ version < 8.0.18 — affected (semver)
7.0 ≤ version < 7.0.29 — affected (semver)

References

Last enrichment sync: 10-Nov-2026 01:37
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Cato CTRL researcher Vitaly Simonovich disclosed CVE-2026-25611, a high-severity vulnerability in MongoDB’s OP_COMPRESSED wire-protocol handling that allows unauthenticated actors to force large memory allocations and Cato CTRL Details MongoDB CVE-2026-25611 Memory-Exhaustion DoS

People (1)

MITRE ATT&CK (1)

Vendors (2)

Products (5)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.