Vulnerability Intelligence Report
Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder
CVE-2026-47891
A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. 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
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Weaknesses (CWE)
CWE-770 ↗CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Spring | Spring Framework | 7.0.0 <= 7.0.8 (affected), 6.2.0 <= 6.2.19 (affected), 6.1.0 <= 6.1.28 (affected), 6.0.0 <= 6.0.30 (affected), 5.3.0 <= 5.3.49 (affected), 0 <= 5.2.25.RELEASE (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.139%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VMware by Broadcom · Vendor · USA |
| Reserved | 2026-05-20T10:01:00 |
| Published | 2026-08-27T05:21:39 |
| Last Updated | 2026-08-27T14:52:30 |
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