7.1

CVE-2026-25612: mongodb inc mongodb server Unrestricted Externally Accessible Lock

CVSS: 7.1v4.0HighDeferred
AliasesUBUNTU-CVE-2026-25612
Published 10-02-2026Last modified 10-02-2026
Open JSON

Vulnerability summary

CVE-2026-25612 is a high (CVSS 7.1) Unrestricted Externally Accessible Lock vulnerability in mongodb inc mongodb server. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31.1% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v4.0 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-02-2026
    PublishedVulnerability first disclosed.
  2. 10-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 3 sources · 2 versions

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

+0.18 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mongodb inc1 product
  • mongodb server≥ 8.2, < 8.2.4 | ≥ 8.0, < 8.0.18 | ≥ 7.0, < 7.0.29
Ubuntu1 product
  • mongodbAll versions (No fix recorded)

2 vendors · 2 products

References

4 links