CVE-2026-41850

Summary

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

Affected Software

VendorProductVersion RangeStatus
SpringSpring Framework7.0.0 < 7.0.7.1affected
SpringSpring Framework6.2.0 < 6.2.18.1affected
SpringSpring Framework6.1.0 < 6.1.28affected
SpringSpring Framework5.3.0 < 5.3.49affected

Weaknesses

  • CWE-407: CWE-407: Inefficient Algorithmic Complexity

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References