CVE-2026-22740

Description

A WebFlux server application that processes multipart requests creates temp files for parts larger than 10 K. Under some circumstances, temp files may remain not deleted after the request is fully processed. This allows an attacker to consume available disk space. Older, unsupported versions are also affected.

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
vmware	spring_framework	< 5.3.48
vmware	spring_framework	6.1.0 — 6.1.27
vmware	spring_framework	6.2.0 — 6.2.18
vmware	spring_framework	7.0.0 — 7.0.7

References

Advisories & Patches

https://spring.io/security/cve-2026-22740

Other References

https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H&version=3.1

Frequently Asked Questions

What is CVE-2026-22740? +

A WebFlux server application that processes multipart requests creates temp files for parts larger than 10 K. Under some circumstances, temp files may remain not deleted after the request is fully processed. This allows an attacker to consume available disk space. Older, unsupported versions are also affected. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-22740? +

CVE-2026-22740 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-22740? +

CVE-2026-22740 affects products from vmware, specifically: spring_framework. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-22740? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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