Vulnerability-Lookup

GHSA-R2VH-J53R-XPR5

Vulnerability from github – Published: 2026-08-25 09:30 – Updated: 2026-08-25 09:30

Details

The extension's indexer passed every field value returned by content object rendering through PHP's unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface.

Severity

7.7 (High)


                  
                    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-56095"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-25T09:17:31Z",
    "severity": "HIGH"
  },
  "details": "The extension\u0027s indexer passed every field value returned by content object rendering through PHP\u0027s unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface.",
  "id": "GHSA-r2vh-j53r-xpr5",
  "modified": "2026-08-25T09:30:38Z",
  "published": "2026-08-25T09:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56095"
    },
    {
      "type": "WEB",
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-025"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-56095 (GCVE-0-2026-56095)

Vulnerability from cvelistv5 – Published: 2026-08-25 09:00 – Updated: 2026-08-25 14:10

Title

Insecure Deserialization in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)

Summary

Severity

7.7 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 14:10 UTC

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

TYPO3 mitre root

References

1 reference

URL	Tags
https://typo3.org/security/advisory/typo3-ext-sa-…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
TYPO3	Extension "Apache Solr for TYPO3 - Enterprise Search"	Affected: 13.0.0 , < 13.1.4 (semver) Affected: 12.0.0 , < 12.1.4 (semver) Affected: 0 , < 11.6.6 (semver)

Date Public

2026-08-25 09:00

Credits

Marc Bastian Heinrichs Rafael Kähm EXT:solr team by dkd Internet Service GmbH

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-56095",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-25T14:10:41.182608Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-25T14:10:56.394Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://packagist.org/",
          "defaultStatus": "unaffected",
          "packageName": "apache-solr-for-typo3/solr",
          "product": "Extension \"Apache Solr for TYPO3 - Enterprise Search\"",
          "repo": "https://github.com/TYPO3-Solr/ext-solr",
          "vendor": "TYPO3",
          "versions": [
            {
              "lessThan": "13.1.4",
              "status": "affected",
              "version": "13.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "12.1.4",
              "status": "affected",
              "version": "12.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "11.6.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Marc Bastian Heinrichs"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Rafael K\u00e4hm"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "EXT:solr team by dkd Internet Service GmbH"
        }
      ],
      "datePublic": "2026-08-25T09:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The extension\u0027s indexer passed every field value returned by content object rendering through PHP\u0027s unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface."
            }
          ],
          "value": "The extension\u0027s indexer passed every field value returned by content object rendering through PHP\u0027s unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-25T09:00:47.261Z",
        "orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "shortName": "TYPO3"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-025"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Insecure Deserialization in extension \"Apache Solr for TYPO3 - Enterprise Search\" (solr)",
      "x_generator": {
        "engine": "Vulnogram 1.0.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
    "assignerShortName": "TYPO3",
    "cveId": "CVE-2026-56095",
    "datePublished": "2026-08-25T09:00:47.261Z",
    "dateReserved": "2026-06-18T17:29:39.231Z",
    "dateUpdated": "2026-08-25T14:10:56.394Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

GHSA-R2VH-J53R-XPR5

CVE-2026-56095 (GCVE-0-2026-56095)

Tags

Sightings

Nomenclature