CVE-2026-84441 (GCVE-0-2026-84441)

Vulnerability from cvelistv5 – Published: 2026-09-02 02:15 – Updated: 2026-09-02 02:15 X_Open Source
VLAI
Title
Piwigo Image Derivative i.php path traversal
Summary
A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue is some unknown functionality of the file i.php of the component Image Derivative Handler. The manipulation leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Piwigo Affected: 16.0
Affected: 16.1
Affected: 16.2
Affected: 16.3.0
    cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*
Credits
Leousum (VulDB User)
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Image Derivative Handler"
          ],
          "product": "Piwigo",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "16.0"
            },
            {
              "status": "affected",
              "version": "16.1"
            },
            {
              "status": "affected",
              "version": "16.2"
            },
            {
              "status": "affected",
              "version": "16.3.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Leousum (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue is some unknown functionality of the file i.php of the component Image Derivative Handler. The manipulation leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used."
        }
      ],
      "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:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-02T02:15:08.281Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-397806 | Piwigo Image Derivative i.php path traversal",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/397806"
        },
        {
          "name": "VDB-397806 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/397806/cti"
        },
        {
          "name": "CVE-2026-84441 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-84441"
        },
        {
          "name": "Submit #885229 | Piwigo 16.3.0 Path Traversal",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/885229"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Leousum/VulnPoC/blob/main/Piwigo%2016.3.0/unauthenticated_derivative_path_traversal.md"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-01T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-01T21:40:15.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Piwigo Image Derivative i.php path traversal",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-84441",
    "datePublished": "2026-09-02T02:15:08.281Z",
    "dateReserved": "2026-09-01T19:35:05.943Z",
    "dateUpdated": "2026-09-02T02:15:08.281Z",
    "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

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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.
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  • 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.


Detection rules are retrieved from Rulezet.