CVE-2026-25612 Internal ResourceId collision may affect unrelated collections
An internal resource ID collision in MongoDB's locking mechanism can cause unrelated collections to conflict, leading to service unavailability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25612?
CVE-2026-25612 is a high-severity vulnerability in MongoDB Server, published on 10 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-412
Which versions are affected by CVE-2026-25612?
How do I fix CVE-2026-25612?
No fix has been published for CVE-2026-25612 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-25612 being exploited?
There is no known exploitation of CVE-2026-25612 in the wild and no public exploit code.
Sources
Also known as GHSA-c488-mfgm-vqrf, UBUNTU-CVE-2026-25612.