Vulnerability-Lookup

CVE-2026-47891 (GCVE-0-2026-47891)

Vulnerability from cvelistv5 – Published: 2026-08-27 05:21 – Updated: 2026-08-27 14:52

Title

Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder

Summary

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

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-27 14:52 UTC

CWE

CWE-770 Allocation of Resources Without Limits or Throttling
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

vmware mitre root

References

1 reference

URL	Tags
https://spring.io/security/cve-2026-47891

Impacted products

1 product

Vendor	Product	Version	CPE status
Spring	Spring Framework	Affected: 7.0.0 , ≤ 7.0.8 (custom) Affected: 6.2.0 , ≤ 6.2.19 (custom) Affected: 6.1.0 , ≤ 6.1.28 (custom) Affected: 6.0.0 , ≤ 6.0.30 (custom) Affected: 5.3.0 , ≤ 5.3.49 (custom) Affected: 0 , ≤ 5.2.25.RELEASE (custom)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-47891

Vulnerability from fkie_nvd - Published: 2026-08-27 06:17 - Updated: 2026-08-27 06:17

Severity

Summary

References

	URL	Tags
	security@vmware.com	https://spring.io/security/cve-2026-47891

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring Framework",
          "vendor": "Spring",
          "versions": [
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              "lessThanOrEqual": "7.0.8",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            },
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              "status": "affected",
              "version": "6.2.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.1.28",
              "status": "affected",
              "version": "6.1.0",
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    }
  ],
  "id": "CVE-2026-47891",
  "lastModified": "2026-08-27T06:17:20.287",
  "metrics": {},
  "published": "2026-08-27T06:17:20.287",
  "references": [
    {
      "source": "security@vmware.com",
      "url": "https://spring.io/security/cve-2026-47891"
    }
  ],
  "sourceIdentifier": "security@vmware.com",
  "vulnStatus": "Received"
}

GHSA-7P67-M4J8-H4VX

Vulnerability from github – Published: 2026-08-27 06:31 – Updated: 2026-08-27 06:31

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-47891"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-27T06:17:20Z",
    "severity": null
  },
  "details": "A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19\nSpring Framework 6.1.0 - 6.1.28\nSpring Framework 6.0.0 - 6.0.30\nSpring Framework 5.3.0 - 5.3.49\nSpring Framework 5.2.25.RELEASE and earlier",
  "id": "GHSA-7p67-m4j8-h4vx",
  "modified": "2026-08-27T06:31:34Z",
  "published": "2026-08-27T06:31:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47891"
    },
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-47891"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-47891 (GCVE-0-2026-47891)

FKIE_CVE-2026-47891

GHSA-7P67-M4J8-H4VX

Tags

Sightings

Nomenclature