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Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API

Type: advisorySources: Official CVE List

Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSRF token to read internal store statistics, enqueue jobs like smw.entityIdDisposer, and execute queued jobs, degrading performance and altering semantic data.

Products
SemanticMediaWiki
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-116890
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:58 UTC · Revision 1

Source evidence

Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API

core-cve · Original source

Published 27 Oct 2026, 10:23 UTC

Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSRF token to read internal store statistics, enqueue jobs like smw.entityIdDisposer, and execute queued jobs, degrading performance and altering semantic data.

cve:CVE-2026-116890

SemanticMediaWiki

Fixed versions: Not specified

Complete source record
{
  "id": "27343a965c5790b690bc35786946f8ca4508a44fe42136efc60ef210d4f8a68c",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116890",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API",
    "summary": "Semantic MediaWiki from 3.0.0 before 7.3.0 contains a missing authorization vulnerability in the api.php smwtask module that allows unauthenticated attackers to run admin-only maintenance tasks. Attackers can use the public anonymous CSRF token to read internal store statistics, enqueue jobs like smw.entityIdDisposer, and execute queued jobs, degrading performance and altering semantic data.",
    "evidence": "cve:CVE-2026-116890",
    "products": [
      {
        "name": {
          "value": "SemanticMediaWiki",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-116890",
      "aliases": [
        "CVE-2026-116890"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 6.9,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 7.3,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "integrityImpact": "LOW",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "LOW",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "LOW"
          }
        }
      ],
      "affected": [
        {
          "vendor": "SemanticMediaWiki",
          "product": "SemanticMediaWiki",
          "versions": [
            {
              "status": "affected",
              "version": "3.0.0",
              "lessThan": "7.3.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "7.3.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T14:12:54.564Z",
      "provider": "cve",
      "references": [
        "https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-jr78-w6w5-m8f8",
        "https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.0-missing-authorization-via-smwtask-api"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-116890",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-27T13:46:26.251028Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-27T14:12:54.564Z"
            }
          }
        ],
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-27T10:26:50.854Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-116890",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 392673,
  "published_at": "2026-10-27T10:23:39.191+00:00"
}