CVE-2026-103965 — Fixed values in MongoDB Server $bucket stage may be misread as field references

CVE-2026-103965

Fixed values in MongoDB Server $bucket stage may be misread as field references PUBLISHED

Description (CNA)

An issue in MongoDB Server's aggregation framework can cause certain constant values to be handled incorrectly during internal query rewriting. Under certain conditions, an authenticated user with read access may receive field values in aggregation output that the query did not intend to return.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.13; affected 8.0 before 8.0.34; affected 7.0 before 7.0.45; affected 9.0 before 9.0.4

CWE

CWE-94

References

https://jira.mongodb.org/browse/SERVER-134618

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.