CVE-2026-125386 (GCVE-0-2026-125386)

Vulnerability from cvelistv5 – Published: 2026-11-09 23:27 – Updated: 2026-11-09 23:27
VLAI
Title
langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints
Summary
langchain4j-aideepin through 3.32.0 contains an insecure direct object reference vulnerability in CharacterMessageController that allows authenticated users to access other users' message references due to missing owner checks. Attackers can supply another user's message uuid to the knowledge-embedding-ref, memory-embedding-ref, or graph-ref endpoints to retrieve knowledge-base chunks, long-term memory text, and knowledge-graph data.
Severity
6 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
moyangzhan langchain4j-aideepin Affected: 0 , ≤ 3.32.0 (semver)
Create a notification for this product.
Date Public
2026-11-04 00:00
Credits
hieuPenguinnn
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "langchain4j-aideepin",
          "vendor": "moyangzhan",
          "versions": [
            {
              "lessThanOrEqual": "3.32.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "hieuPenguinnn"
        }
      ],
      "datePublic": "2026-11-04T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "langchain4j-aideepin through 3.32.0 contains an insecure direct object reference vulnerability in CharacterMessageController that allows authenticated users to access other users\u0027 message references due to missing owner checks. Attackers can supply another user\u0027s message uuid to the knowledge-embedding-ref, memory-embedding-ref, or graph-ref endpoints to retrieve knowledge-base chunks, long-term memory text, and knowledge-graph data."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "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:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T23:27:53.127Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #118",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/moyangzhan/langchain4j-aideepin/issues/118"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/moyangzhan/langchain4j-aideepin"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/moyangzhan/langchain4j-aideepin/blob/v3.32.0/server/adi-common/src/main/resources/mapper/CharacterMessageRefMemoryEmbeddingMapper.xml#L4-L10"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/moyangzhan/langchain4j-aideepin/commit/483499b1a6b4a27d856f85d88c28ae6152660953"
        },
        {
          "name": "VulnCheck Advisory: langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/langchain4j-aideepin-through-3.32.0-idor-via-character-message-reference-endpoints"
        }
      ],
      "title": "langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-125386",
    "datePublished": "2026-11-09T23:27:53.127Z",
    "dateReserved": "2026-11-09T22:03:09.881Z",
    "dateUpdated": "2026-11-09T23:27:53.127Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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