Security advisory

{
  "id": "044b7074b3f466f1ee6287e47ffc96417b24db64af79c47cab600b9fad85e7e5",
  "url": "https://osv.dev/vulnerability/CVE-2021-32676",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32676",
    "summary": "Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in Talk before version 9.0.10, 10.0.8 and 11.2.2 did not rotate the session cookie after a successful authentication event. It is recommended that the Nextcloud Talk App is upgraded to 9.0.10, 10.0.8 or 11.2.2. No workarounds for this vulnerability are known to exist.",
    "evidence": "osv:CVE-2021-32676",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-32676",
      "aliases": [
        "CVE-2021-32676",
        "GHSA-p6h7-84v4-827r"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nextcloud/spreed",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f8056c61469400eb16094902d268fb93575ce8de"
                },
                {
                  "introduced": "350a4aa19edd198a8e0f658e7885082e5825349d"
                },
                {
                  "fixed": "7162764f2f29564aae156c8a789ada9ad0c72c77"
                },
                {
                  "introduced": "254c9207b349c6b95f80c7e8c707a7a9a288ea07"
                },
                {
                  "fixed": "1d3c90d7121cd06c6a4c7bd23729eac9fbf595f5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "9.0.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.0.0"
                      },
                      {
                        "fixed": "10.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "11.2.0"
                      },
                      {
                        "fixed": "11.2.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v10.0.7",
            "v11.1.2",
            "v11.1.1",
            "v9.0.9",
            "v10.0.6",
            "v11.0.0",
            "v11.0.0-rc.1",
            "v11.0.0-alpha.4",
            "v9.0.8",
            "v10.0.5",
            "v11.0.0-alpha.3",
            "v9.0.7",
            "v10.0.4",
            "v11.0.0-alpha.2",
            "v11.0.0-alpha.1",
            "v10.0.3",
            "v9.0.6",
            "v10.0.2",
            "v9.0.5",
            "v10.0.1",
            "v10.0.0",
            "v9.0.4",
            "v10.0.0-rc.1",
            "v10.0.0-beta.2",
            "v10.0.0-beta.1",
            "v9.0.3",
            "v9.0.2",
            "v9.0.1",
            "v9.0.0",
            "v9.0.0-rc.1",
            "v9.0.0-beta.1",
            "v8.0.0",
            "v8.0.0-alpha.6",
            "v8.0.0-alpha.5",
            "v8.0.0-alpha.4",
            "v8.0.0-alpha.3",
            "v8.0.0-alpha.2",
            "v8.0.0-alpha.1",
            "v7.0.0-beta.1",
            "v6.0.0-rc.2",
            "v6.0.0-rc.1",
            "v5.99.10",
            "v4.99.5",
            "v4.0.0",
            "v3.99.12",
            "v3.99.11",
            "v3.99.10",
            "v3.99.8",
            "v3.0.1",
            "v3.0.0",
            "v2.9.1",
            "v2.9.0",
            "v2.0.0",
            "v1.2",
            "v1.1.2",
            "v1.0.22",
            "v1.0.21"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32676.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.693817678Z",
      "provider": "osv",
      "references": [
        "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p6h7-84v4-827r",
        "https://hackerone.com/reports/1181962"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "nextcloud:talk",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "9.0.10"
                  },
                  {
                    "introduced": "10.0.0"
                  },
                  {
                    "fixed": "10.0.8"
                  },
                  {
                    "introduced": "11.2.0"
                  },
                  {
                    "fixed": "11.2.2"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-32676",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438921,
  "published_at": "2021-06-16T00:15:07.793+00:00"
}