MongoBleed (CVE-2025-14847)
zlib-compressed message handling leaks uninitialized heap memory without authentication.
- Disclosed
What happened
- Fixed: 8.2.3, 8.0.17, 7.0.28, 6.0.27 and others. KEV: 29 Dec 2025. Public PoC. Tens of thousands of exposed servers.
Live scores
Live scores
CVE-2025-14847- EPSS
- 0.832
very likely to be attacked soon - VEDAS
- 0.987
strong exploit evidence - On CISA KEV
- Yes, since 2025-12-29
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Sources
This is a brief: a short, sourced summary from our incident tracking. Full advisories add commands to check whether you are affected.