Review reviewCritical

CVE-2026-40982

Spring Spring Cloud Config, Red Hat Enterprise Linux 8, Red Hat JBoss Enterprise Application Platform Expansion Pack

Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack. Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade...

CVSS: 9.1
EPSS: 0.73%
CISA KEV: Not listed
Published: 2026.05.07

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.73%

Technical severityCVSS 9.1

Vulnerability overview

Affected product and versions

Product: Spring Spring Cloud Config, Red Hat Enterprise Linux 8, Red Hat JBoss Enterprise Application Platform Expansion Pack
Affected versions: >= 3.1.0 < 3.1.14, >= 4.1.0 < 4.1.10, >= 4.2.0 < 4.2.7, >= 4.3.0 < 4.3.3, >= 5.0.0 < 5.0.3
Fixed versions: 3.1.14, 4.1.10, 4.2.7, 4.3.3, 5.0.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Spring Spring Cloud Config, Red Hat Enterprise Linux 8, Red Hat JBoss Enterprise Application Platform Expansion Pack and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE: CWE-22