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    4 vulnerabilities by xerrors

    CVE-2026-50561 (GCVE-0-2026-50561)

    Vulnerability from nvd – Published: 2026-08-12 14:07 – Updated: 2026-08-13 16:19
    VLAI
    Title
    Yuxi has a JWT Authentication Bypass Leading to Cross-Instance Administrator Token Reuse
    Summary
    Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity token in the Authorization header — only performing a validity check. This allows an administrator token generated in another deployment instance or local testing environment to be used to access the backend management interfaces of a different affected instance. An attacker who obtains or constructs an acceptable administrator Authorization token may bypass normal login authentication and gain administrator privileges. This vulnerability could allow an attacker to access system configurations, invoke backend management APIs, create administrator accounts, and ultimately take over the system backend. This issue has been fixed in version 0.6.2. Before upgrading, users are advised to implement the following temporary measures: Set the environment variable `JWT_SECRET_KEY` to a non-default value, and configure a unique, sufficiently strong JWT/authentication key for each deployment instance; and/or avoid exposing backend management interfaces directly to the public network.
    Severity
    9.4 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 16:19 UTC
    CWE
    • CWE-287 - Improper Authentication
    Assigner
    References
    Impacted products
    Vendor Product Version
    xerrors Yuxi Affected: < 0.6.2
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-14116 (GCVE-0-2025-14116)

    Vulnerability from nvd – Published: 2025-12-05 22:32 – Updated: 2025-12-08 17:14 X_Open Source
    VLAI
    Title
    xerrors Yuxi-Know embed.py OtherEmbedding.aencode server-side request forgery
    Summary
    A vulnerability was detected in xerrors Yuxi-Know up to 0.4.0. This vulnerability affects the function OtherEmbedding.aencode of the file /src/models/embed.py. Performing manipulation of the argument health_url results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The patch is named 0ff771dc1933d5a6b78f804115e78a7d8625c3f3. To fix this issue, it is recommended to deploy a patch. The vendor responded with a vulnerability confirmation and a list of security measures they have established already (e.g. disabled URL parsing, disabled URL upload mode, removed URL-to-markdown conversion).
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
    4.7 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
    4.7 (Medium)
    CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-08 17:07 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery
    Assigner
    References
    Impacted products
    Vendor Product Version
    xerrors Yuxi-Know Affected: 0.1
    Affected: 0.2
    Affected: 0.3
    Affected: 0.4.0
    		Create a notification for this product.
    Credits
    din4 (VulDB User)
    Show details on NVD website
    To clipboard 

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    CVE-2026-50561 (GCVE-0-2026-50561)

    Vulnerability from cvelistv5 – Published: 2026-08-12 14:07 – Updated: 2026-08-13 16:19
    VLAI
    Title
    Yuxi has a JWT Authentication Bypass Leading to Cross-Instance Administrator Token Reuse
    Summary
    Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity token in the Authorization header — only performing a validity check. This allows an administrator token generated in another deployment instance or local testing environment to be used to access the backend management interfaces of a different affected instance. An attacker who obtains or constructs an acceptable administrator Authorization token may bypass normal login authentication and gain administrator privileges. This vulnerability could allow an attacker to access system configurations, invoke backend management APIs, create administrator accounts, and ultimately take over the system backend. This issue has been fixed in version 0.6.2. Before upgrading, users are advised to implement the following temporary measures: Set the environment variable `JWT_SECRET_KEY` to a non-default value, and configure a unique, sufficiently strong JWT/authentication key for each deployment instance; and/or avoid exposing backend management interfaces directly to the public network.
    Severity
    9.4 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 16:19 UTC
    CWE
    • CWE-287 - Improper Authentication
    Assigner
    References
    Impacted products
    Vendor Product Version
    xerrors Yuxi Affected: < 0.6.2
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-14116 (GCVE-0-2025-14116)

    Vulnerability from cvelistv5 – Published: 2025-12-05 22:32 – Updated: 2025-12-08 17:14 X_Open Source
    VLAI
    Title
    xerrors Yuxi-Know embed.py OtherEmbedding.aencode server-side request forgery
    Summary
    A vulnerability was detected in xerrors Yuxi-Know up to 0.4.0. This vulnerability affects the function OtherEmbedding.aencode of the file /src/models/embed.py. Performing manipulation of the argument health_url results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The patch is named 0ff771dc1933d5a6b78f804115e78a7d8625c3f3. To fix this issue, it is recommended to deploy a patch. The vendor responded with a vulnerability confirmation and a list of security measures they have established already (e.g. disabled URL parsing, disabled URL upload mode, removed URL-to-markdown conversion).
    Severity
    5.1 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
    4.7 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
    4.7 (Medium)
    CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-08 17:07 UTC
    CWE
    • CWE-918 - Server-Side Request Forgery
    Assigner
    References
    Impacted products
    Vendor Product Version
    xerrors Yuxi-Know Affected: 0.1
    Affected: 0.2
    Affected: 0.3
    Affected: 0.4.0
    		Create a notification for this product.
    Credits
    din4 (VulDB User)
    Show details on NVD website
    To clipboard 

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        "providerMetadata": {
          "dateUpdated": "2025-12-08T17:14:40.227Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Yuxi-Know",
          "vendor": "xerrors",
          "versions": [
            {
              "status": "affected",
              "version": "0.1"
            },
            {
              "status": "affected",
              "version": "0.2"
            },
            {
              "status": "affected",
              "version": "0.3"
            },
            {
              "status": "affected",
              "version": "0.4.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "din4 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in xerrors Yuxi-Know up to 0.4.0. This vulnerability affects the function OtherEmbedding.aencode of the file /src/models/embed.py. Performing manipulation of the argument health_url results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The patch is named 0ff771dc1933d5a6b78f804115e78a7d8625c3f3. To fix this issue, it is recommended to deploy a patch. The vendor responded with a vulnerability confirmation and a list of security measures they have established already (e.g. disabled URL parsing, disabled URL upload mode, removed URL-to-markdown conversion)."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5.8,
            "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "Server-Side Request Forgery",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-05T22:32:08.303Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-334492 | xerrors Yuxi-Know embed.py OtherEmbedding.aencode server-side request forgery",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.334492"
        },
        {
          "name": "VDB-334492 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.334492"
        },
        {
          "name": "Submit #697380 | xerrors Yuxi-Know Yuxi-Know \u2264 0.4.0 Server-Side Request Forgery",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.697380"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://www.notion.so/SSRF-vulnerablity-in-Yuxi-Know-2afea92a3c4180bea524f1a253f8d9a0?source=copy_link"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/xerrors/Yuxi-Know/commit/0ff771dc1933d5a6b78f804115e78a7d8625c3f3"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-12-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-12-05T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-12-05T16:21:46.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "xerrors Yuxi-Know embed.py OtherEmbedding.aencode server-side request forgery"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-14116",
    "datePublished": "2025-12-05T22:32:08.303Z",
    "dateReserved": "2025-12-05T15:15:26.362Z",
    "dateUpdated": "2025-12-08T17:14:40.227Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}