TOCTOU Vulnerability in Spring Cloud Config Server by Pivotal
CVE-2026-47836

7.2HIGH

Key Information:

Vendor

Spring

Status
Spring Cloud Config
Vendor
CVE Published:
26 August 2026

What is CVE-2026-47836?

The Spring Cloud Config Server has a vulnerability due to its base directory configuration used for cloning SVN repositories. This flaw is susceptible to time-of-check-time-of-use (TOCTOU) attacks, where an attacker could exploit the timing of checks and usage to gain unauthorized access or manipulate the server's behavior, potentially leading to significant security risks. It's crucial for users of affected Spring Cloud Config versions to address this vulnerability promptly.

Affected Version(s)

Spring Cloud Config 5.0.0 <= 5.0.4

Spring Cloud Config 4.3.0 <= 4.3.4

Spring Cloud Config 4.0.0 <= 4.2.8

References

https://spring.io/security/cve-2026-47836

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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