Safety Guard Bypass in Spring Framework Affected by Vulnerability
CVE-2026-59283

9.1CRITICAL

Key Information:

Vendor

Spring

Status
Spring Framework
Vendor
CVE Published:
27 August 2026

What is CVE-2026-59283?

Applications utilizing the Spring Expression Language (SpEL) might be at risk of a safety guard bypass. This vulnerability occurs when applications evaluating SpEL expressions with SimpleEvaluationContext have the SpEL expression compiler active. This gives potential attackers an opportunity to execute unauthorized actions. It's essential for users and developers of the Spring Framework to apply the recommended updates and monitor their applications to mitigate this risk.

Affected Version(s)

Spring Framework 7.0.0 <= 7.0.8

Spring Framework 6.2.0 <= 6.2.19

Spring Framework 6.1.0 <= 6.1.28

References

https://spring.io/security/cve-2026-59283

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.