CVE-2026-108689 (GCVE-0-2026-108689)

Vulnerability from cvelistv5 – Published: 2026-10-11 01:12 – Updated: 2026-10-11 01:12
VLAI
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.
Severity
5.3 (Medium)
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
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5953 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
WuKongOpenSource Wukong AICRM Affected: 0 , ≤ 20260610 (custom)
guessed Create a notification for this product.
Date Public
2026-10-10 00:00
Credits
Yaqi Chao
Show details on NVD website
To clipboard 

{
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          "vendor": "WuKongOpenSource",
          "versions": [
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              "status": "affected",
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        }
      ],
      "metrics": [
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            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "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",
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            "confidentialityImpact": "LOW",
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          "descriptions": [
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              "description": "Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-11T01:12:24.286Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
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          "name": "Researcher Proof of Concept",
          "tags": [
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          "url": "https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/Wukong-AICRM/poc_chat_send.py"
        },
        {
          "name": "Vulnerable Code (20260610)",
          "tags": [
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          "url": "https://github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c988959da356/backend/src/main/java/com/kakarote/ai_crm/service/impl/ChatServiceImpl.java#L270-L283"
        },
        {
          "name": "VulnCheck Advisory: Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/wukong-aicrm-through-20260610-authorization-bypass-via-user-controlled-session-id-in-post-chat-send"
        }
      ],
      "title": "Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send",
      "x_generator": {
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108689",
    "datePublished": "2026-10-11T01:12:24.286Z",
    "dateReserved": "2026-10-10T23:06:26.215Z",
    "dateUpdated": "2026-10-11T01:12:24.286Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-108689",
      "date": "2026-10-13",
      "epss": "0.00171",
      "percentile": "0.06048"
    },
    "nvd": {
      "cve": {
        "affected": [
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                "defaultStatus": "unaffected",
                "packageURL": "pkg:github/WuKongOpenSource/Wukong-AICRM",
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                "repo": "https://github.com/WuKongOpenSource/Wukong-AICRM",
                "vendor": "WuKongOpenSource",
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Wukong AICRM through 20260610 contains a missing authorization vulnerability that allows authenticated users to write into other users\u0027 AI chat sessions by supplying an arbitrary sessionId to POST /chat/send. Attackers can append messages to a victim\u0027s conversation and receive streamed assistant replies built from the victim\u0027s last 20 messages, disclosing conversation content."
          }
        ],
        "id": "CVE-2026-108689",
        "lastModified": "2026-10-13T20:42:49.903",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
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                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
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                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
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          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
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                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "LOW",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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                "vulnAvailabilityImpact": "NONE",
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                "vulnIntegrityImpact": "LOW",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
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            }
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        "references": [
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            "source": "disclosure@vulncheck.com",
            "url": "https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/Wukong-AICRM/poc_chat_send.py"
          },
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            "url": "https://github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c988959da356/backend/src/main/java/com/kakarote/ai_crm/service/impl/ChatServiceImpl.java#L270-L283"
          },
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            "type": "Primary"
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  }
}



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