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CVE-2026-86273 (GCVE-0-2026-86273)

Vulnerability from cvelistv5 – Published: 2026-09-07 05:00 – Updated: 2026-09-07 05:00
VLAI
Title
projeto-siga HTML-to-PDF Endpoint ExUtilController.java DownloadExterno.getUrl server-side request forgery
Summary
A weakness has been identified in projeto-siga siga up to 11.1.1. Affected by this issue is the function DownloadExterno.getUrl of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExUtilController.java of the component HTML-to-PDF Endpoint. This manipulation of the argument html causes server-side request forgery. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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
URL Tags
https://vuldb.com/vuln/399434 vdb-entrytechnical-description
https://vuldb.com/vuln/399434/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86273 third-party-advisory
https://vuldb.com/submit/904863 third-party-advisory
https://github.com/projeto-siga/siga/issues/2492 exploitissue-tracking
https://github.com/projeto-siga/siga/ product
Impacted products
Vendor Product Version CPE status
projeto-siga siga Affected: 11.1.0
Affected: 11.1.1
    cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
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      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "HTML-to-PDF Endpoint"
          ],
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          "vendor": "projeto-siga",
          "versions": [
            {
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              "version": "11.1.0"
            },
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              "version": "11.1.1"
            }
          ]
        }
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      "credits": [
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          "type": "reporter",
          "value": "volksec (VulDB User)"
        },
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          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
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          "value": "A weakness has been identified in projeto-siga siga up to 11.1.1. Affected by this issue is the function DownloadExterno.getUrl of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExUtilController.java of the component HTML-to-PDF Endpoint. This manipulation of the argument html causes server-side request forgery. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
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          "tags": [
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          "url": "https://vuldb.com/vuln/399434/cti"
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          "tags": [
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          "tags": [
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          "url": "https://github.com/projeto-siga/siga/issues/2492"
        },
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          "url": "https://github.com/projeto-siga/siga/"
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          "time": "2026-09-06T02:00:00.000Z",
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          "lang": "en",
          "time": "2026-09-06T15:19:59.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "projeto-siga HTML-to-PDF Endpoint ExUtilController.java DownloadExterno.getUrl server-side request forgery",
      "x_generator": [
        "VulDB PVTS v202609"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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    "datePublished": "2026-09-07T05:00:14.680Z",
    "dateReserved": "2026-09-06T13:04:08.547Z",
    "dateUpdated": "2026-09-07T05:00:14.680Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-07",
      "epss": "0.00288",
      "percentile": "0.2105"
    },
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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

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.

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Detection rules are retrieved from Rulezet.

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