Vulnerability-Lookup

CVE-2026-47856 (GCVE-0-2026-47856)

Vulnerability from cvelistv5 – Published: 2026-08-26 23:28 – Updated: 2026-08-26 23:28

Title

JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list

Summary

Spring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12 Spring Integration 5.5.21 and earlier

Severity

6.3 (Medium)


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

CWE

CWE-502 Deserialization of Untrusted Data

Assigner

vmware mitre root

References

1 reference

URL	Tags
https://spring.io/security/cve-2026-47856

Impacted products

1 product

Vendor	Product	Version	CPE status
Spring	Spring Integration	Affected: 7.1.0 (custom) Affected: 7.0.0 , ≤ 7.0.5 (custom) Affected: 6.5.0 , ≤ 6.5.10 (custom) Affected: 6.4.0 , ≤ 6.4.12 (custom) Affected: 0 , ≤ 5.5.21 (custom)	guessed

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JSON

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        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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          "url": "https://spring.io/security/cve-2026-47856"
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      "source": {
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      "title": "JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list"
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    "datePublished": "2026-08-26T23:28:43.829Z",
    "dateReserved": "2026-05-20T10:00:55.156Z",
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  }
}

FKIE_CVE-2026-47856

Vulnerability from fkie_nvd - Published: 2026-08-27 01:17 - Updated: 2026-08-27 01:17

Severity

6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	security@vmware.com	https://spring.io/security/cve-2026-47856

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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      "affectedData": [
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          "product": "Spring Integration",
          "vendor": "Spring",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.0",
              "versionType": "custom"
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            {
              "lessThanOrEqual": "7.0.5",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.5.10",
              "status": "affected",
              "version": "6.5.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.4.12",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "custom"
            },
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    }
  ],
  "id": "CVE-2026-47856",
  "lastModified": "2026-08-27T01:17:32.487",
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}

GHSA-647V-4254-WP99

Vulnerability from github – Published: 2026-08-27 03:32 – Updated: 2026-08-27 03:32

Details

Severity

6.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-47856"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-27T01:17:32Z",
    "severity": "MODERATE"
  },
  "details": "Spring Integration\u0027s JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12\nSpring Integration 5.5.21 and earlier",
  "id": "GHSA-647v-4254-wp99",
  "modified": "2026-08-27T03:32:58Z",
  "published": "2026-08-27T03:32:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47856"
    },
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-47856"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

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-2026-47856 (GCVE-0-2026-47856)

FKIE_CVE-2026-47856

GHSA-647V-4254-WP99

Tags

Sightings

Nomenclature