The internal locking mechanism of the MongoDB server uses an internal encoding of the resources in order to choose what lock to take. Collections may inadvertently collide with one another in this representation causing unavailability between them due to conflicting locks.
This page covers CVE-2026-25612 as tracked by Ubuntu, for the package mongodb. No fixed version has been recorded for this distribution yet.
This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability high.
The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
UBUNTU-CVE-2026-25612 is classified as CWE-412: Unrestricted Externally Accessible Lock. The product properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control.
UBUNTU-CVE-2026-25612 is recorded against 1 package.
Published on 10 February 2026 and last revised on 22 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
ubuntu.com (Report)
www.cve.org (Report)
jira.mongodb.org (Report)
jira.mongodb.org (Report)
mongodb has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-412: Unrestricted Externally Accessible Lock) in other software:
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| mongodb | — | — |
References
Similar Threats
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