CVE-2026-76798CWE-79cross-site-scripting

CVE-2026-76798

Medium · published August 29, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00291 · 20.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-29T00:19Z
Affected products (1)
ProductVersionsFixed in
mongodb/mongosql_transition_readiness_tool< 1.1.31.1.3
References (1)
https://www.mongodb.com/docs/sql-interface/changelog/ · [email protected]
EPSS history
Timeline
  • 30 AUG 16:19Z
    EPSS moved — → 0%
    epss
  • 28 AUG 19:24Z
    MongoSQL Transition Readiness Tool Improper Output Encoding in Generated HTML Reports
    cvelistv5