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CVE-2026-41852 Spring CVE debrief

CVE-2026-41852 is a vulnerability in the Spring Expression Language (SpEL) evaluation logic. This vulnerability allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts. This could potentially allow an attacker to invoke unintended application logic. The affected versions include Spring Framework 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, and 5.3.0 through 5.3.48.

Vendor
Spring
Product
Spring Framework
CVSS
LOW 3.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-07-17
Advisory published
2026-06-09
Advisory updated
2026-07-17

Who should care

Users of Spring Framework versions 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, and 5.3.0 through 5.3.48 should be aware of this vulnerability.

Technical summary

The vulnerability has a CVSS score of 3.7 and is considered LOW severity. It is described as allowing arbitrary zero-argument method invocation due to a flaw in the SpEL evaluation logic. This could potentially be exploited to invoke unintended application logic.

Defensive priority

This vulnerability has a relatively low CVSS score of 3.7, indicating a lower severity. However, users of affected Spring Framework versions should still prioritize patching.

Recommended defensive actions

  • Upgrade to a non-vulnerable version of Spring Framework.
  • Refer to [ref-4] for vendor advisory and mitigation details.

Evidence notes

Evidence from [nvd] and [cve-org] confirms the vulnerability details and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41852 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41852

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41852 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41852

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.