{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.6.0"
              },
              {
                "last_affected": "0.6.0"
              },
              {
                "introduced": "0.6.1"
              },
              {
                "last_affected": "0.6.1"
              },
              {
                "introduced": "0.6.2"
              },
              {
                "last_affected": "0.6.2"
              },
              {
                "introduced": "0.6.3"
              },
              {
                "last_affected": "0.6.3"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "571dc4100670b0df51f727dc6ab747a8851f4695"
            },
            {
              "last_affected": "503799885b5517ea9d316c17e35471178c09e35a"
            }
          ],
          "repo": "https://github.com/dvidelabs/flatcc",
          "type": "GIT"
        },
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8b19ba4e992ebcad7f5970704d1afc5507fa5205"
            }
          ],
          "repo": "https://github.com/jimjag/flatcc",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.6.0",
        "0.6.1",
        "0.6.2",
        "0.6.3"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-617"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90786.json"
  },
  "details": "A vulnerability was determined in Dvidelabs flatcc up to 0.6.3. This impacts the function align_order_members of the file src/compiler/semantics.c of the component Duplicate Symbol Handler. This manipulation causes reachable assertion. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 8b19ba4e992ebcad7f5970704d1afc5507fa5205. To fix this issue, it is recommended to deploy a patch.",
  "id": "CVE-2026-90786",
  "modified": "2026-09-17T03:31:07.332068740Z",
  "published": "2026-09-14T13:30:08.902Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dvidelabs/flatcc/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90786.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90786"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-90786"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/919201"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/403292"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/dvidelabs/flatcc/issues/387"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/403292/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/jimjag/flatcc/commit/8b19ba4e992ebcad7f5970704d1afc5507fa5205"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion"
}