{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.15.5"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "dc31dd7e62c1f8806b663549700a4121537b9530"
            }
          ],
          "repo": "https://github.com/stoatchat/stoatchat",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-5gq6-v4cf-3qq8"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-248"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100675.json"
  },
  "details": "stoatchat versions before 0.15.5 contain a denial of service vulnerability in the acknowledgement worker that processes mass mention messages. Authenticated users can send five crafted role-mention messages to terminate all acknowledgement workers, disabling push notifications and mention badges deployment-wide until the API process restarts.",
  "id": "CVE-2026-100675",
  "modified": "2026-09-30T03:31:01.353446284Z",
  "published": "2026-09-26T13:23:38.319Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100675.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/stoatchat/stoatchat/security/advisories/GHSA-5gq6-v4cf-3qq8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100675"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/stoatchat-before-0.15.5-denial-of-service-via-mass-mentions"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "stoatchat before 0.15.5 Denial of Service via mass mentions"
}