/Vulnerability Library

MongoDB Server - Information Disclosure (MongoBleed)

CVE-2025-14847
Verified

Description

MongoDB Server contained a flaw in the zlib decompression logic where mismatched length fields in compressed protocol headers allowed a read of uninitialized heap memory by an unauthenticated client.

Severity

High

CVSS Score

7.5

Exploit Probability

83%

Affected Product

mongodb

Published Date

September 7, 2026

Template Author

pussycat0x, joe-desimone, dhiyaneshdk
+2

CVE-2025-14847.yaml
7.5Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE ID:
cve-2025-14847
CWE ID:
cwe-908

References

https://jira.mongodb.org/browse/SERVER-115508https://github.com/joe-desimone/mongobleedhttps://www.wiz.io/blog/mongobleed-cve-2025-14847-exploited-in-the-wild-mongodb

Remediation Steps

Update to versions 8.2.3, 8.0.17, 7.0.28, 6.0.27, 5.0.32, or 4.4.30. Alternatively, disable zlib compression using snappy,zstd or disabled.