Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send

{
  "id": "632b3fa2582b9e8c084bb3095db116fbdf36260ce04563ceb56451fd1a50ff96",
  "url": "https://osv.dev/vulnerability/CVE-2026-108689",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send",
    "summary": "Wukong AICRM through 20260610 contains a missing authorization vulnerability that allows authenticated users to write into other users' AI chat sessions by supplying an arbitrary sessionId to POST /chat/send. Attackers can append messages to a victim's conversation and receive streamed assistant replies built from the victim's last 20 messages, disclosing conversation content.",
    "evidence": "osv:CVE-2026-108689",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-108689",
      "aliases": [
        "CVE-2026-108689"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wukongopensource/wukong-aicrm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "cdd1fbc3187d2bcbf2cdf2be7d50c988959da356"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "20260610"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "20260610"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20260610",
            "20260210"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108689.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.715245398Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108689.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108689",
        "https://www.vulncheck.com/advisories/wukong-aicrm-through-20260610-authorization-bypass-via-user-controlled-session-id-in-post-chat-send",
        "https://github.com/WuKongOpenSource/Wukong-AICRM",
        "https://github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c988959da356/backend/src/main/java/com/kakarote/ai_crm/service/impl/ChatServiceImpl.java#L270-L283",
        "https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/Wukong-AICRM/poc_chat_send.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108689.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108689",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500056,
  "published_at": "2026-10-11T01:12:24.286+00:00"
}