CVE-2026-76794Network attack vector

Browser script execution via unescaped database metadata

Published Aug 28, 2026 · Updated Aug 28, 2026

Stored cross-site scripting in MongoSQL Transition Readiness Tool before 1.1.3 allows remote authenticated users to run browser scripts. The HTML report generator writes server-supplied database, collection, and field names without sufficient HTML encoding. Exploitation requires write access to database metadata and another user to generate and open the report, exposing report contents or altering its display.

CVSS severityUnavailable
Unscored
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in MongoSQL Transition Readiness Tool before 1.1.3 allows remote authenticated users to run browser scripts. The HTML report generator writes server-supplied database, collection, and field names without sufficient HTML encoding. Exploitation requires write access to database metadata and another user to generate and open the report, exposing report contents or altering its display.

The record

CVE
CVE-2026-76794
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
MongoDB
Product
MongoSQL Transition Readiness Tool
Classifications
T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0 <1.1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MongoDB · MongoSQL Transition Readiness Toolversion=1.0.0 <1.1.3

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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