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Vulnerability · Published Jun 9, 2026 · Assigned by vmware

CVE-2026-41846Spring Framework Cross-site Scripting via JSP Form Tags

Medium 5.9

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 0.2% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.2%top 95.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting (XSS) vulnerability. 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libspring-javano fix listedDEBIAN-CVE-2026-41846
Debian:13libspring-javano fix listedDEBIAN-CVE-2026-41846
Debian:14libspring-javano fix listedDEBIAN-CVE-2026-41846
Mavenorg.springframework:spring-webmvcno fix listedGHSA-957g-f97v-vppc
Mavenorg.springframework:spring-webmvcno fix listedGHSA-957g-f97v-vppc
Mavenorg.springframework:spring-webmvc7.0.8GHSA-957g-f97v-vppc
Mavenorg.springframework:spring-webmvc6.2.19GHSA-957g-f97v-vppc
Ubuntu:25.10libspring-javano fix listedUBUNTU-CVE-2026-41846
Ubuntu:26.04:LTSlibspring-javano fix listedUBUNTU-CVE-2026-41846
Ubuntu:26.10libspring-javano fix listedUBUNTU-CVE-2026-41846

Affected products (as reported)

VendorProductVersions
Spring Spring Framework 7.0.0 – before 7.0.7.16.2.0 – before 6.2.18.16.1.0 – before 6.1.285.3.0 – before 5.3.49

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

References