7.4

CVE-2026-41720: spring spring ldap Improper Authentication

CVSS: 7.4v3.1HighAwaiting analysis
AliasesCGA-4574-pqjv-hrw4CGA-4m3p-xh59-6rfpCGA-9wg9-mhpq-6cgr
Published 09-06-2026Last modified 23-06-2026
Open JSON

Vulnerability summary

CVE-2026-41720 is a high (CVSS 7.4) Improper Authentication vulnerability in spring spring ldap. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.39%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-C34V-8WGW-CH3V

Timeline

  1. 09-06-2026
    PublishedVulnerability first disclosed.
  2. 23-06-2026
    Last modifiedVulnerability information updated.

Description

Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

+0.13 pp

From 0.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.39%

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

Chainguard7 products
  • camunda-zeebe-8.6< 8.6.39-r5
  • geoserver-2.27All versions (No fix recorded)
  • geoserver-2.28All versions (No fix recorded)
  • geoserver-3.0< 3.0.0-r5
  • kafbat-ui< 1.5.0-r12
Org.springframework.ldap1 product
  • spring-ldap-core≥ 4.0.0, < 4.0.4 | ≥ 3.3.0, < 3.3.8 | ≥ 3.2.0, ≤ 3.2.16 | ≤ 2.4.4
Spring1 product
  • spring ldap≥ 2.4.0, < 2.4.5 | ≥ 3.2.0, < 3.2.18 | ≥ 3.3.0, < 3.3.7.1 | ≥ 4.0.0, < 4.0.3.1

3 vendors · 9 products

References

9 links