{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/thinkgem/jeesite5",
          "product": "JeeSite",
          "repo": "https://github.com/thinkgem/jeesite5",
          "vendor": "thinkgem",
          "versions": [
            {
              "lessThanOrEqual": "5.19.1",
              "status": "affected",
              "version": "5.11.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:a:jeesite:jeesite:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "5.19.1",
                  "versionStartIncluding": "5.11.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "hieuPenguinnn"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "ThinkGem"
        }
      ],
      "datePublic": "2026-10-29T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "JeeSite 5.11.0 through 5.19.1 contains an insecure direct object reference vulnerability in the AI CMS chat module that allows authenticated users to access other users\u0027 conversations due to missing and reversed ownership checks. Attackers who know or derive a victim\u0027s conversation id can call /a/cms/chat/message, /a/cms/chat/delete, or /a/cms/chat/completions to read, delete, or append to the victim\u0027s AI chat transcripts."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-29T13:08:50.215Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #43",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/thinkgem/jeesite5/issues/43"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/thinkgem/jeesite5"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/thinkgem/jeesite5/commit/cbc5ba7a37fd93f38c46ef656bd31442fe6f8015"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b82d/modules/ai/ai-cms/src/main/java/com/jeesite/modules/ai/cms/service/CacheChatMemoryRepository.java#L59-L62"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b82d/modules/ai/ai-cms/src/main/java/com/jeesite/modules/ai/cms/service/AiCmsChatService.java#L111-L116"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://hackmd.io/@hieund/jeesite5-ai-cms-chat-conversation-idor"
        },
        {
          "name": "VulnCheck Advisory: JeeSite 5.11.0 through 5.19.1 IDOR in AI CMS Chat Module",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/jeesite-5.11.0-through-5.19.1-idor-in-ai-cms-chat-module"
        }
      ],
      "title": "JeeSite 5.11.0 through 5.19.1 IDOR in AI CMS Chat Module",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-119048",
    "datePublished": "2026-10-29T13:08:50.215Z",
    "dateReserved": "2026-10-29T11:51:50.043Z",
    "dateUpdated": "2026-10-29T13:08:50.215Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}