Spring Security Advisories

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Potential arbitrary file read and SSRF vulnerability in Spring Cloud Function

LOW | AUGUST 20, 2026 | CVE-2026-59291

Description

Potential arbitrary file read and SSRF vulnerability in Spring Cloud Function

Affected Spring Products and Versions

Spring Cloud Function:

  • 5.0.0 - 5.0.3
  • 4.3.0 - 4.3.4
  • 4.2.0 - 4.2.7

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
5.0.4OSS
4.3.5Enterprise Support Only
4.2.8Enterprise Support Only

No further mitigation steps are necessary.

Credit

The issue was reported responsibly by Nguyen Van Hiep (@hypnguyen1209) from MBBank.

References

History

  • 2026-08-20: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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