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CVE-2026-86321 (GCVE-0-2026-86321)

Vulnerability from cvelistv5 – Published: 2026-09-07 15:00 – Updated: 2026-09-07 15:00
VLAI
Title
java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery
Summary
A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this issue is the function JsonLoader.fromURL of the file src/main/java/com/github/fge/jackson/JsonLoader.java of the component URL Validation. The manipulation results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
CWE
  • CWE-918 - Server-Side Request Forgery
References
Impacted products
Vendor Product Version CPE status
java-json-tools jackson-coreutils Affected: 2.0
    cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*
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Show details on NVD website

{
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          "cpes": [
            "cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "URL Validation"
          ],
          "product": "jackson-coreutils",
          "vendor": "java-json-tools",
          "versions": [
            {
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              "version": "2.0"
            }
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      "credits": [
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          "type": "reporter",
          "value": "York Shen - Yong Shen - PayPal Cyber Security Team (VulDB User)"
        },
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          "type": "coordinator",
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        }
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        }
      ],
      "metrics": [
        {
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          "tags": [
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        },
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          "tags": [
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          "url": "https://vuldb.com/cve/CVE-2026-86321"
        },
        {
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          "url": "https://github.com/java-json-tools/jackson-coreutils/issues/64"
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          "time": "2026-09-07T02:00:00.000Z",
          "value": "VulDB entry created"
        },
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          "lang": "en",
          "time": "2026-09-07T07:50:44.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery",
      "x_generator": [
        "VulDB PVTS v202609"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-86321",
    "datePublished": "2026-09-07T15:00:11.032Z",
    "dateReserved": "2026-09-07T05:45:39.710Z",
    "dateUpdated": "2026-09-07T15:00:11.032Z",
    "state": "PUBLISHED"
  },
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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