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MISP CSRF vulnerability allows unauthorized attribute modification

Type: advisorySources: OSV

MISP has a security issue that could let an attacker change threat-intelligence data through a logged-in user’s browser without that user knowingly approving the change. The affected function did not properly enforce MISP’s usual protection against forged requests. Because of this, an attacker could create a malicious webpage that silently sends a request to MISP when visited by an authenticated user. If successful, the attacker could change details of an attribute, such as its value, type, category, comment, distribution settings, or related timestamps. The attack requires the victim to already be logged in to MISP and to visit an attacker-controlled page. The main impact is unauthorized modification of threat-intelligence data, which could lead to incorrect indicators, wrong classifications, or altered sharing settings and reduce confidence in the accuracy of the information stored in MISP. Version affected: <2.5.47

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-94404
Confirmed fixed CVEs
Not specified
Updated in this feed
5 Nov 2026, 03:52 UTC · Revision 1

Source evidence

MISP CSRF vulnerability allows unauthorized attribute modification

core-osv · Original source

Published 21 Sept 2026, 13:50 UTC

MISP has a security issue that could let an attacker change threat-intelligence data through a logged-in user’s browser without that user knowingly approving the change. The affected function did not properly enforce MISP’s usual protection against forged requests. Because of this, an attacker could create a malicious webpage that silently sends a request to MISP when visited by an authenticated user. If successful, the attacker could change details of an attribute, such as its value, type, category, comment, distribution settings, or related timestamps. The attack requires the victim to already be logged in to MISP and to visit an attacker-controlled page. The main impact is unauthorized modification of threat-intelligence data, which could lead to incorrect indicators, wrong classifications, or altered sharing settings and reduce confidence in the accuracy of the information stored in MISP. Version affected: <2.5.47

osv:CVE-2026-94404
Complete source record
{
  "id": "e41537b19de2c1cf32d41afb523e45a60aa5df2313ae26d47e49485057b3d414",
  "url": "https://osv.dev/vulnerability/CVE-2026-94404",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MISP CSRF vulnerability allows unauthorized attribute modification",
    "summary": "MISP has a security issue that could let an attacker change threat-intelligence data through a logged-in user’s browser without that user knowingly approving the change. The affected function did not properly enforce MISP’s usual protection against forged requests. Because of this, an attacker could create a malicious webpage that silently sends a request to MISP when visited by an authenticated user. If successful, the attacker could change details of an attribute, such as its value, type, category, comment, distribution settings, or related timestamps. The attack requires the victim to already be logged in to MISP and to visit an attacker-controlled page. The main impact is unauthorized modification of threat-intelligence data, which could lead to incorrect indicators, wrong classifications, or altered sharing settings and reduce confidence in the accuracy of the information stored in MISP. Version affected: <2.5.47",
    "evidence": "osv:CVE-2026-94404",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-94404",
      "aliases": [
        "CVE-2026-94404"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/misp/misp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "fc4220ed7900097dfbcdf48a0961f6713960ae11"
                },
                {
                  "fixed": "dfbae33f9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.5.47"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "dfbae33f9"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.5.46",
            "v2.5.45",
            "v2.5.44",
            "v2.5.43",
            "v2.5.42",
            "v2.5.41",
            "v2.5.40",
            "v2.5.39",
            "v2.5.37",
            "v2.5.36",
            "v2.5.35",
            "v2.5.34",
            "v2.5.33",
            "v2.5.32",
            "v2.5.31",
            "v2.5.30",
            "v2.5.29",
            "v2.5.28",
            "v2.5.27",
            "v2.5.26",
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            "v2.5.22",
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            "v2.5.20",
            "v2.5.19",
            "v2.5.18",
            "v2.5.17",
            "v2.5.16",
            "v2.5.15",
            "v2.5.12",
            "v2.5.14",
            "v2.5.13",
            "v2.5.11",
            "v2.5.10",
            "v2.5.9",
            "v2.5.8",
            "v2.5.7",
            "v2.5.0",
            "v2.4.196",
            "v2.4.195",
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            "v2.4.192",
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            "v2.4.190",
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            "v2.4.187",
            "v2.4.186",
            "v2.4.175",
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            "v2.4.184",
            "v2.4.153",
            "v2.4.152",
            "v2.4.137",
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            "v2.4.134",
            "v2.4.133",
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            "v2.4.127",
            "v2.4.125",
            "v2.4.123",
            "v2.4.122",
            "v2.4.121",
            "v2.4.120",
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            "rm",
            "v2.4.110",
            "v2.4.109",
            "codename/tellurium",
            "v2.4.107",
            "v2.4.106",
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            "v2.4.98",
            "v2.4.96",
            "v2.4.95",
            "v2.4.94",
            "v2.4.93",
            "v2.4.91",
            "v2.4.89",
            "v2.4.88",
            "v2.4.87",
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            "v2.4.85",
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            "v2.4.53",
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            "v2.4.51",
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            "v2.4.48",
            "v2.4.47",
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            "v2.4.26",
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            "v2.4.24",
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            "v2.4.22",
            "v2.4.21",
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            "v2.4.18",
            "v2.4.17",
            "v2.4.16",
            "v2.4.15",
            "v2.4.14",
            "v2.4.13",
            "v2.4.11",
            "v2.4.10",
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            "v2.4.7",
            "v2.4.5",
            "v2.4.4",
            "v2.4.3",
            "v2.4.2",
            "v2.4.1",
            "v2.4.0",
            "v2.3.0",
            "v0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94404.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.351680480Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94404.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-94404",
        "https://github.com/MISP/MISP/commit/dfbae33f9",
        "https://github.com/MISP/MISP"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-352"
        ],
        "cna_assigner": "CIRCL",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94404.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-94404",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510008,
  "published_at": "2026-09-21T13:50:46.41+00:00"
}