Medium severity6.5NVD Advisory· Published Apr 29, 2026· Updated May 4, 2026
CVE-2026-22740
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework:spring-webfluxMaven | >= 7.0.0, < 7.0.7 | 7.0.7 |
org.springframework:spring-webfluxMaven | >= 6.2.0, < 6.2.18 | 6.2.18 |
org.springframework:spring-webfluxMaven | >= 6.1.0, <= 6.1.26 | — |
org.springframework:spring-webfluxMaven | <= 5.3.47 | — |
Affected products
6- osv-coords5 versionspkg:apk/chainguard/kafbat-uipkg:apk/chainguard/kafbat-ui-fipspkg:apk/chainguard/thingsboard-tb-nodepkg:apk/wolfi/thingsboard-tb-nodepkg:maven/org.springframework/spring-webflux
< 1.4.2-r9+ 4 more
- (no CPE)range: < 1.4.2-r9
- (no CPE)range: < 1.4.2-r8
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: >= 7.0.0, < 7.0.7
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-5843-p793-ghmmghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-22740ghsaADVISORY
- spring.io/security/cve-2026-22740nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln-metrics/cvss/v3-calculatornvdUS Government Resource
News mentions
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