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TI-2026-30259 Aliases CVE-2026-41849GHSA-775g-4xr8-78h8

Spring Framework Denial of Service via Integer Overflow in SpEL Expressions

Priority LOW 32CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-190 and the CVSS impact.

Summary

An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS). Affected versions: Spring Framework 5.3.0 through 5.3.48.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00263 18th percentileScored 2026-11-07
Fix Fixed Spring Framework (Spring): 5.3.49

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareSpring Framework5.3.0 to before 5.3.495.3.49Patch availableCNA
—org.springframework:spring-expression (Maven)up to 5.3.39—No fix listedGHSA-775g-4xr8-78h8
  • Spring Framework VendorVMware Affected 5.3.0 to before 5.3.49 Fixed in 5.3.49 Patch available CNA
  • org.springframework:spring-expression (Maven) Vendor— Affected up to 5.3.39 Fixed in — No fix listed GHSA-775g-4xr8-78h8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*5.3.0 to before 5.3.49VulnerableVMware
  • cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* Versions 5.3.0 to before 5.3.49 Vulnerable ·VMware

Remediation

  • Fix · CNA Spring Framework (Spring) Fixed in 5.3.49

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Spring Framework 5.3.49

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-30257 Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSLPriority LOW 23

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 2 products
  • OpenShift Developer Tools and Services
  • Red Hat OpenShift Dev Spaces

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41849
  2. 2026-10-03 Alias added: GHSA-775g-4xr8-78h8

References

  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-01175 Code injection in Spring Framework CVSS 3.1CRITICAL 9.8
  • TI-2020-04444 RFD Attack via "Content-Disposition" Header Sourced from Request Input by Spring MVC or Spring WebFlux Application CVSS 3.1HIGH 7.5
  • TI-2018-01180 Code injection in Spring Framework CVSS 3.1CRITICAL 9.8
  • TI-2016-09283 Pivotal Spring Framework through 5.3.16 suffers from a potential remote code execution… CVSS 3.1CRITICAL 9.8
  • TI-2014-00050 The Jaxb2RootElementHttpMessageConverter in Spring MVC in Spring Framework before 3.2.8… CVSS 2.0MEDIUM 6.8
See all 82 →

Sources