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01 Record

CVE-2026-113870

Improper Encoding of Server-Supplied JavaScript Values in MongoDB Compass BSON Parsing

HighPUBLISHEDCNA: mongodb
CNA base score8.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

02 Description

Improper Encoding of Server-Supplied JavaScript Values in MongoDB Compass BSON Parsing

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 14.7% of scored records. A rank, not a probability.
NVD base score
8.6 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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 analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-22.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-21 18:04Z7 DAYS AGO
Last updated
2026-10-21 18:04Z7 DAYS AGO
Reserved
2026-10-20
Assigning CNA
mongodb
Record state
PUBLISHED
Severity
High (CVSS 8.6)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weaknesses
  • CWE-116Improper Encoding or Escaping of OutputClass
Data version
5.2
Document digest
a6789cff0f8bf2e32a76ec9e4cac5cf735327e446213167cd623c95ea5129f72

05 Affected products

VendorProductVersionsPlatforms
MongoDBCompass1.7.0 to < 1.49.15—

06 References