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Vulnerability · Published Aug 27, 2026 · Assigned by vmware

CVE-2026-59281Spring Framework Cross-site Scripting via EscapedErrors

Medium 6.1

In plain English

A medium-severity cross-site scripting in Spring Framework from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libspring-javano fix listedDEBIAN-CVE-2026-59281
Debian:13libspring-javano fix listedDEBIAN-CVE-2026-59281
Debian:14libspring-javano fix listedDEBIAN-CVE-2026-59281
Ubuntu:26.04:LTSlibspring-javano fix listedUBUNTU-CVE-2026-59281
Ubuntu:26.10libspring-javano fix listedUBUNTU-CVE-2026-59281

Affected products (as reported)

VendorProductVersions
Spring Spring Framework 7.0.0 – through 7.0.86.2.0 – through 6.2.196.1.0 – through 6.1.286.0.0 – through 6.0.305.3.0 – through 5.3.490 – through 5.2.25.RELEASE

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References