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Spring Framework CVE-2026-59281

| EUVDEUVD-2026-67170 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-08-27 vmware GHSA-549f-4rpc-3rw9
Java XSS Spring Framework
6.1
CVSS 3.1 · Vendor: vmware
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Severity by source

Vendor (vmware) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
6.1 MEDIUM

Network-delivered reflected XSS with no attacker privileges required; user interaction and scope change to browser context justify UI:R and S:C; C:L and I:L reflect limited cookie/DOM exposure with no availability impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (vmware).

CVSS VectorVendor: vmware

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Aug 28, 2026 - 21:20 vuln.today
CVSS changed
Aug 28, 2026 - 20:22 NVD
6.1 (MEDIUM)
CVE Published
Aug 27, 2026 - 17:57 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 27, 2026 - 17:57 cve.org
MEDIUM 6.1

DescriptionCVE.org

Spring MVC and WebFlux applications that obtain a data-binding Errors instance with HTML escaping enabled and then render field errors using the no-argument Errors.getFieldErrors() or Errors.getFieldError() accessors are vulnerable to arbitrary HTML/JavaScript code injection, potentially resulting in a reflected cross-site scripting (XSS) vulnerability. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

AnalysisAI

Reflected XSS in Spring Framework's MVC and WebFlux data-binding error rendering exposes users of vulnerable applications to arbitrary HTML and JavaScript injection. All active Spring Framework release trains are affected - versions 5.2.x through 7.0.8 - making the exposure surface extremely broad across enterprise Java deployments. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires three concurrent server-side conditions: (1) the application uses Spring MVC or Spring WebFlux for request handling, (2) HTML escaping is explicitly enabled in the application's data-binding or view configuration, and (3) the application calls the no-argument Errors.getFieldErrors() or Errors.getFieldError() accessors when rendering field error output to the response. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.1 medium score accurately captures the moderate real-world risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary remediation is to upgrade to a fixed version of Spring Framework as specified in the vendor advisory at https://spring.io/security/cve-2026-59281 - the advisory should be consulted for exact patched version numbers as they are not independently confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-59281 vulnerability details – vuln.today
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