CVE-2025-14847

unknown KEV

Published 2025-12-29 · Modified 2025-12-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

MongoDB Server contains an improper handling of length parameter inconsistency vulnerability in Zlib compressed protocol headers. This vulnerability may allow a read of uninitialized heap memory by an unauthenticated client.

CISA KEV

Vendor: MongoDB
Product: MongoDB and MongoDB Server
Due date: 2026-01-19

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

{Vendor advisory: cisa-kev — This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://jira.mongodb.org/browse/SERVER-115508 ; https://nvd.nist.gov/vuln/detail/CVE-2025-14847}

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

auxiliary_scanner/mongodb/cve_2025_14847_mongobleed rank 300

MongoDB Memory Disclosure (CVE-2025-14847) - Mongobleed

Source fetch failed: fetch_error — view the original via the link above.

References

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://jira.mongodb.org/browse/SERVER-115508 ; https://nvd.nist.gov/vuln/detail/CVE-2025-14847

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.