8.1

CVE-2026-82053: mongodb Incorrect Authorization

CVSS: 8.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-82053
Published 08-09-2026Last modified 10-09-2026
Open JSON

Vulnerability summary

CVE-2026-82053 is a high (CVSS 8.1) Incorrect Authorization vulnerability in mongodb. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.3% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.41%
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. 08-09-2026
    PublishedVulnerability first disclosed.
  2. 10-09-2026
    Last modifiedVulnerability information updated.

Description

A security issue exists in MongoDB's LDAP authorization integration where pooled LDAP connections can retain stale authentication identities after user authentication under certain configurations. Subsequent authorization queries may execute under an unintended LDAP identity rather than the expected one. This can result in incorrect role assignments based on the LDAP directory's access control configuration, potentially allowing an authenticated user to acquire elevated privileges that were not intended by the deployment's authorization policy.

CVSS metrics

6 scores · 3 sources · 2 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

+0.18 pp

From 0.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.41%

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

Mongodb2 products
  • mongodb≥ 7.0.0, < 7.0.41 | ≥ 8.0.0, < 8.0.30 | ≥ 8.2.0, ≤ 8.2.12 | ≥ 8.3.0, < 8.3.9 | 9.0.0:alpha0 | 9.0.0:alpha1
  • mongodb server≥ 8.3.0, < 8.3.9 | ≥ 8.0.0, < 8.0.30 | ≥ 7.0.0, < 7.0.41
Ubuntu1 product
  • mongodbAll versions (No fix recorded)

2 vendors · 3 products

References

3 links