Vulnerability-Lookup

CVE-2026-123676 (GCVE-0-2026-123676)

Vulnerability from cvelistv5 – Published: 2026-11-06 15:30 – Updated: 2026-11-06 15:30 X_Open Source

Title

xxyopen/201206030 novel Book Content Service BookServiceImpl.java BookServiceImpl.getBookContentAbout improper authorization

Summary

A vulnerability has been found in xxyopen/201206030 novel up to 3.5.0. This impacts the function BookServiceImpl.getBookContentAbout of the file src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java of the component Book Content Service. Such manipulation of the argument chapterId leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 966c4bdde3521dc0a165d15a2acff66ee33eaaa7. Applying a patch is advised to resolve this issue.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

CWE

CWE-285 - Improper Authorization
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB CNA

References

6 references

URL	Tags
https://vuldb.com/vuln/431793	vdb-entrytechnical-description
https://vuldb.com/vuln/431793/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123676	third-party-advisory
https://vuldb.com/submit/1033603	third-party-advisory
https://github.com/201206030/novel/pull/52	exploitissue-trackingpatch
https://github.com/201206030/novel/commit/966c4bd…	patch

Impacted products

2 products

Vendor	Product	Version
xxyopen	novel	Affected: 3.0 Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5.0 cpe:2.3:a:xxyopen:novel::::::::
201206030	novel	Affected: 3.0 Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5.0 cpe:2.3:a:201206030:novel::::::::

Credits

carfeii (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:xxyopen:novel:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Book Content Service"
          ],
          "product": "novel",
          "vendor": "xxyopen",
          "versions": [
            {
              "status": "affected",
              "version": "3.0"
            },
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "status": "affected",
              "version": "3.2"
            },
            {
              "status": "affected",
              "version": "3.3"
            },
            {
              "status": "affected",
              "version": "3.4"
            },
            {
              "status": "affected",
              "version": "3.5.0"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:201206030:novel:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Book Content Service"
          ],
          "product": "novel",
          "vendor": "201206030",
          "versions": [
            {
              "status": "affected",
              "version": "3.0"
            },
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "status": "affected",
              "version": "3.2"
            },
            {
              "status": "affected",
              "version": "3.3"
            },
            {
              "status": "affected",
              "version": "3.4"
            },
            {
              "status": "affected",
              "version": "3.5.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "carfeii (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in xxyopen/201206030 novel up to 3.5.0. This impacts the function BookServiceImpl.getBookContentAbout of the file src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java of the component Book Content Service. Such manipulation of the argument chapterId leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 966c4bdde3521dc0a165d15a2acff66ee33eaaa7. Applying a patch is advised to resolve this issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "Improper Authorization",
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            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-266",
              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-06T15:30:23.322Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-431793 | xxyopen/201206030 novel Book Content Service BookServiceImpl.java BookServiceImpl.getBookContentAbout improper authorization",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/431793"
        },
        {
          "name": "VDB-431793 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/431793/cti"
        },
        {
          "name": "CVE-2026-123676 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-123676"
        },
        {
          "name": "Submit #1033603 | https://github.com/201206030/ novel 3.5.0 Missing Authorization",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/1033603"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/201206030/novel/pull/52"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/201206030/novel/commit/966c4bdde3521dc0a165d15a2acff66ee33eaaa7"
        }
      ],
      "tags": [
        "x_open-source"
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      "timeline": [
        {
          "lang": "en",
          "time": "2026-11-06T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-11-06T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-11-06T10:43:55.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "xxyopen/201206030 novel Book Content Service BookServiceImpl.java BookServiceImpl.getBookContentAbout improper authorization",
      "x_generator": [
        "VulDB PVTS v202611"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-123676",
    "datePublished": "2026-11-06T15:30:23.322Z",
    "dateReserved": "2026-11-06T09:38:50.094Z",
    "dateUpdated": "2026-11-06T15:30:23.322Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CVE-2026-123676 (GCVE-0-2026-123676)

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