CVE-2026-2994 (GCVE-0-2026-2994)

Vulnerability from cvelistv5 – Published: 2026-03-04 02:18 – Updated: 2026-03-04 15:05
VLAI
Title
Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group
Summary
Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-04 15:04 UTC
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
Impacted products
Vendor Product Version
Concrete CMS Concrete CMS Unaffected: 5 , < 9.4.8 (git)
Create a notification for this product.
Credits
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2994",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-04T15:04:57.398439Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-04T15:05:06.451Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Concrete CMS",
          "programFiles": [
            "https://github.com/concretecms/concretecms"
          ],
          "repo": "https://github.com/concretecms/concretecms",
          "vendor": "Concrete CMS",
          "versions": [
            {
              "lessThan": "9.4.8",
              "status": "unaffected",
              "version": "5",
              "versionType": "git"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "z3rco"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eConcrete CMS below version 9.4.8 is subject to\u0026nbsp;\u003c/span\u003eCSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token.\u0026nbsp;The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e3rco for reporting\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "Concrete CMS below version 9.4.8 is subject to\u00a0CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token.\u00a0The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector\u00a0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-04T02:18:31.326Z",
        "orgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
        "shortName": "ConcreteCMS"
      },
      "references": [
        {
          "url": "https://github.com/concretecms/concretecms/pull/12826"
        },
        {
          "url": "https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes"
        }
      ],
      "source": {
        "advisory": "3437650",
        "defect": [
          "HackerOne"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
    "assignerShortName": "ConcreteCMS",
    "cveId": "CVE-2026-2994",
    "datePublished": "2026-03-04T02:18:31.326Z",
    "dateReserved": "2026-02-22T21:54:25.204Z",
    "dateUpdated": "2026-03-04T15:05:06.451Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-2994",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-04T15:04:57.398439Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-04T15:05:00.725Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Concrete CMS",
              "programFiles": [
                "https://github.com/concretecms/concretecms"
              ],
              "repo": "https://github.com/concretecms/concretecms",
              "vendor": "Concrete CMS",
              "versions": [
                {
                  "lessThan": "9.4.8",
                  "status": "unaffected",
                  "version": "5",
                  "versionType": "git"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "z3rco"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eConcrete CMS below version 9.4.8 is subject to\u0026nbsp;\u003c/span\u003eCSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token.\u0026nbsp;The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e3rco for reporting\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e"
                }
              ],
              "value": "Concrete CMS below version 9.4.8 is subject to\u00a0CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token.\u00a0The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector\u00a0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting"
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-115",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-115 Authentication Bypass"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "baseScore": 2.3,
                "baseSeverity": "LOW",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "PASSIVE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "LOW",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-352",
                  "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-04T02:18:31.326Z",
            "orgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
            "shortName": "ConcreteCMS"
          },
          "references": [
            {
              "url": "https://github.com/concretecms/concretecms/pull/12826"
            },
            {
              "url": "https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes"
            }
          ],
          "source": {
            "advisory": "3437650",
            "defect": [
              "HackerOne"
            ],
            "discovery": "EXTERNAL"
          },
          "title": "Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group",
          "x_generator": {
            "engine": "Vulnogram 0.5.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
        "assignerShortName": "ConcreteCMS",
        "cveId": "CVE-2026-2994",
        "datePublished": "2026-03-04T02:18:31.326Z",
        "dateReserved": "2026-02-22T21:54:25.204Z",
        "dateUpdated": "2026-03-04T15:05:06.451Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    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.