CVE-2026-26336 (GCVE-0-2026-26336)

Vulnerability from cvelistv5 – Published: 2026-02-19 15:56 – Updated: 2026-05-11 23:11
VLAI
Title
Hyland Alfresco Improper Authorization Arbitrary File Read
Summary
Hyland Alfresco allows unauthenticated attackers to read arbitrary files from protected directories (like WEB-INF) via the "/share/page/resource/" endpoint, thus leading to the disclosure of sensitive configuration files.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 19:05 UTC
CWE
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version CPE status
Hyland Alfresco Enterprise Affected: 7.4.0 , < 7.4.2.6 (custom)
Affected: 23.6.0 , < 23.6.1 (semver)
Affected: 25.1.0 , < 25.3.0 (semver)
guessed Create a notification for this product.
Hyland Alfresco Community Affected: 0 , < 25.3.0 (semver)
guessed Create a notification for this product.
Show details on NVD website

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                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-863",
                  "description": "CWE-863 Incorrect Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-23T15:46:25.099Z",
            "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
            "shortName": "VulnCheck"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory",
                "patch"
              ],
              "url": "https://connect.hyland.com/t5/alfresco-blog/cve-2026-26336-unauthenticated-arbitrary-file-read-in-alfresco/ba-p/496550"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://www.hyland.com/en/solutions/products/alfresco-platform"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://www.vulncheck.com/advisories/hyland-alfresco-improper-authorization-arbitrary-file-read"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Hyland Alfresco Improper Authorization Arbitrary File Read",
          "x_generator": {
            "engine": "Vulnogram 0.5.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "assignerShortName": "VulnCheck",
        "cveId": "CVE-2026-26336",
        "datePublished": "2026-02-19T15:56:25.781Z",
        "dateReserved": "2026-02-13T17:28:43.052Z",
        "dateUpdated": "2026-03-23T15:46:25.099Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.

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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.


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