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CVE-2026-76798

MongoSQL Transition Readiness Tool Improper Output Encoding in Generated HTML Reports

MEDIUM
6.3
CVSS Score
Published: August 28, 2026 at 07:24 PM UTC
Updated: September 17, 2026 at 02:53 PM UTC
1 product affected across 1 vendorMongosql Transition Readiness Tool

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

The MongoSQL Transition Readiness Tool writes query text and user names read from BI Connector log files into its generated HTML report without encoding them for that output context. A user able to issue queries through the BI Connector can influence log content so that markup supplied in a query is interpreted by the browser when an operator later generates and opens the report, which may disclose other users' logged query text and user names to an external party or present misleading content to the operator. Generating a report over logs containing the affected entries and opening that report in a browser is required.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mongosql Transition Readiness Tool· MongoDB
95%
v < 1.1.31.0.0 ≤ v < 1.1.31.0.0
Affected range stops below 1.1.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.mongodb.com/docs/sql-interface/changelog/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMmongodb
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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