CVE-2026-59281: Spring MVC and WebFlux applications that obtain a data-binding Errors instance with HTML escaping enabled and

Routine

MEDIUM 6.1UPGRADE

CVE-2026-59281 is a medium-severity flaw (CVSS 6.1) affecting spring framework. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-08-27
Last modified	2026-09-02

Publisher (CNA): VMware · Vendor: vmware

Last updated 2026-09-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-27 20:17 UTCPublished CVE record published
2026-09-02 16:58 UTCUpdated Record last modified

vmware spring framework UPGRADE

Affected: < 5.2.26 · >= 5.3.0 and < 5.3.50 · >= 6.0.0 and < 6.0.31 · >= 6.1.0 and < 6.1.29 · >= 6.2.0 and < 6.2.20 · >= 7.0.0 and < 7.0.8.1

Fixed in: 5.2.26, 5.3.50, 6.0.31, 6.1.29, 6.2.20, 7.0.8.1

Safe to downgrade to: a release before 5.3.0

1. Check installed version

apt-cache policy spring-framework || rpm -q spring-framework || spring-framework --version

2. UPGRADE to 5.2.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spring-framework

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spring-framework

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 5.3.0 (Debian / Ubuntu)

apt-cache madison spring-framework sudo apt install spring-framework=<VERSION_BEFORE_5.3.0> sudo apt-mark hold spring-framework

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spring-framework sudo dnf downgrade spring-framework-<VERSION_BEFORE_5.3.0> sudo dnf versionlock add spring-framework

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Advisories and coverage

Official advisories

Spring Security Advisories: cve-2026-59281 - MEDIUM - Spring Framework Cross-site Scripting via EscapedErrors 2026-08-20

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-59281?

spring framework: upgrade to 5.2.26, 5.3.50, 6.0.31, 6.1.29, 6.2.20, 7.0.8.1. Exact commands for each OS are on this page.

Is CVE-2026-59281 being exploited?

CVE-2026-59281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-59281 affect?

CVE-2026-59281 affects spring framework. Severity is medium (CVSS 6.1). 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 arbit

How urgent is CVE-2026-59281?

Priority 26/100. No elevated risk signals yet.

Software pages

Spring Framework vulnerabilities · VMware vulnerabilities

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References

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