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    4 vulnerabilities by vastxie

    CVE-2026-111707 (GCVE-0-2026-111707)

    Vulnerability from nvd – Published: 2026-10-16 17:39 – Updated: 2026-10-16 18:20
    VLAI
    Title
    99AI through 4.3.0 IDOR via /api/chatLog/querySingleChat Chat Message Disclosure
    Summary
    99AI through 4.3.0 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to read other users' chat messages because querySingleChat lacks an owner check. Attackers can send a fingerprint header to obtain a visitor JWT and iterate sequential chatId values to retrieve other users' message content and task data.
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-16 18:19 UTC
    CWE
    • CWE-639 - Authorization Bypass Through User-Controlled Key
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6474 records in the last 180 days details
    Impacted products
    Vendor Product Version
    vastxie 99AI Affected: 0 , ≤ 4.3.0 (custom)
    Create a notification for this product.
    Date Public
    2026-10-16 00:00
    Show details on NVD website

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    CVE-2026-111706 (GCVE-0-2026-111706)

    Vulnerability from nvd – Published: 2026-10-16 17:39 – Updated: 2026-10-16 21:16
    VLAI
    Title
    99AI through 4.3.0 Unauthenticated Information Disclosure via chatLog exportExcel
    Summary
    99AI through 4.3.0 contains a missing authentication vulnerability in the POST /api/chatLog/exportExcel route that allows unauthenticated attackers to export all users' chat logs. Attackers can send requests with controlled page, size, and optional email fields to download xlsx files containing usernames, emails, prompts, and AI answers.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-16 20:52 UTC
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6474 records in the last 180 days details
    Impacted products
    Vendor Product Version
    vastxie 99AI Affected: 0 , ≤ 4.3.0 (custom)
    Create a notification for this product.
    Date Public
    2026-10-16 00:00
    Show details on NVD website

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    CVE-2026-111707 (GCVE-0-2026-111707)

    Vulnerability from cvelistv5 – Published: 2026-10-16 17:39 – Updated: 2026-10-16 18:20
    VLAI
    Title
    99AI through 4.3.0 IDOR via /api/chatLog/querySingleChat Chat Message Disclosure
    Summary
    99AI through 4.3.0 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to read other users' chat messages because querySingleChat lacks an owner check. Attackers can send a fingerprint header to obtain a visitor JWT and iterate sequential chatId values to retrieve other users' message content and task data.
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-16 18:19 UTC
    CWE
    • CWE-639 - Authorization Bypass Through User-Controlled Key
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6474 records in the last 180 days details
    Impacted products
    Vendor Product Version
    vastxie 99AI Affected: 0 , ≤ 4.3.0 (custom)
    Create a notification for this product.
    Date Public
    2026-10-16 00:00
    Show details on NVD website

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    CVE-2026-111706 (GCVE-0-2026-111706)

    Vulnerability from cvelistv5 – Published: 2026-10-16 17:39 – Updated: 2026-10-16 21:16
    VLAI
    Title
    99AI through 4.3.0 Unauthenticated Information Disclosure via chatLog exportExcel
    Summary
    99AI through 4.3.0 contains a missing authentication vulnerability in the POST /api/chatLog/exportExcel route that allows unauthenticated attackers to export all users' chat logs. Attackers can send requests with controlled page, size, and optional email fields to download xlsx files containing usernames, emails, prompts, and AI answers.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-16 20:52 UTC
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6474 records in the last 180 days details
    Impacted products
    Vendor Product Version
    vastxie 99AI Affected: 0 , ≤ 4.3.0 (custom)
    Create a notification for this product.
    Date Public
    2026-10-16 00:00
    Show details on NVD website

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              "value": "99AI through 4.3.0 contains a missing authentication vulnerability in the POST /api/chatLog/exportExcel route that allows unauthenticated attackers to export all users\u0027 chat logs. Attackers can send requests with controlled page, size, and optional email fields to download xlsx files containing usernames, emails, prompts, and AI answers."
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              "cvssV4_0": {
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 8.7,
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                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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                "vulnIntegrityImpact": "NONE"
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                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
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                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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              ]
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              "url": "https://hackmd.io/@hieuPenguinnn/99ai-chatlog-unauth-export-and-idor"
            },
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              "tags": [
                "technical-description"
              ],
              "url": "https://github.com/vastxie/99AI/blob/v4.3.0/service/src/modules/chatLog/chatLog.controller.ts#L47-L52"
            },
            {
              "tags": [
                "technical-description"
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              "url": "https://github.com/vastxie/99AI/blob/v4.3.0/service/src/modules/chatLog/chatLog.service.ts#L104-L155"
            },
            {
              "tags": [
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              "url": "https://github.com/vastxie/99AI"
            },
            {
              "name": "VulnCheck Advisory: 99AI through 4.3.0 Unauthenticated Information Disclosure via chatLog exportExcel",
              "tags": [
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              ],
              "url": "https://www.vulncheck.com/advisories/99ai-through-4.3.0-unauthenticated-information-disclosure-via-chatlog-exportexcel"
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          ],
          "title": "99AI through 4.3.0 Unauthenticated Information Disclosure via chatLog exportExcel",
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        "assignerShortName": "VulnCheck",
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        "datePublished": "2026-10-16T17:39:57.886Z",
        "dateReserved": "2026-10-16T14:31:22.547Z",
        "dateUpdated": "2026-10-16T21:16:51.203Z",
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