FKIE_CVE-2026-30689

Vulnerability from fkie_nvd - Published: 2026-03-27 15:16 - Updated: 2026-07-02 20:17
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
In Blog.Core through bcb4d17, the getinfobytoken API interface contains improper access control that leads to sensitive data exposure. Unauthorized parties can obtain sensitive administrator account information via a valid token, threatening system security. NOTE: Blog.Admin is related front-end code that does not offer an API service.
References
cve@mitre.orghttps://gist.github.com/Sw3092567023/c420c6a5ee947d72aeab2b3e0ba92a40Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/anjoy8/Blog.Core/blob/bcb4d17ccc71e206a0c2ff663faf4b399e19f687/Blog.Core.Api/Controllers/UserController.cs#L139-L140
Impacted products
Vendor Product Version
anjoy8 blog.admin 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Blog.Core",
          "vendor": "anjoy8",
          "versions": [
            {
              "lessThanOrEqual": "bcb4d17ccc71e206a0c2ff663faf4b399e19f687",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:anjoy8:blog.admin:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3BC775D-345D-42EA-9C15-E4762AE42873",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Blog.Core through bcb4d17, the getinfobytoken API interface contains improper access control that leads to sensitive data exposure. Unauthorized parties can obtain sensitive administrator account information via a valid token, threatening system security. NOTE: Blog.Admin is related front-end code that does not offer an API service."
    }
  ],
  "id": "CVE-2026-30689",
  "lastModified": "2026-07-02T20:17:02.603",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cve@mitre.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "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",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-30689",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-27T20:31:27.696071Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-27T15:16:53.620",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/Sw3092567023/c420c6a5ee947d72aeab2b3e0ba92a40"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/anjoy8/Blog.Core/blob/bcb4d17ccc71e206a0c2ff663faf4b399e19f687/Blog.Core.Api/Controllers/UserController.cs#L139-L140"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.