CVE-2026-94489

Description

A vulnerability was identified in OctoPrint 1.0.0. Affected by this vulnerability is the function _validate of the file src/octoprint/server/api/files.py of the component File Download API. Such manipulation of the argument filename leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 5.3 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-22
Reserved: 2026-09-21
Published: 2026-09-21 23:30 UTC
Last updated: 2026-09-21 23:30 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/94xxx/CVE-2026-94489.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-22 00:16:32 UTC
NVD last modified: 2026-09-22 00:16:32 UTC
NVD CVSS v3.1: 4.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Exploitability subscore: 2.8 / 10
Impact subscore: 1.4 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-84248
Assigner: VulDB
Published: Sep 21, 2026, 11:30:13 PM
Updated: Sep 22, 2026, 1:25:25 PM
EUVD base score (CVSS 4.0): 5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS: 0.0000
Vendors: n/a
Products: OctoPrint (1.0.0)
Aliases: GHSA-6wqw-4v48-3xjc

ENISA description: A vulnerability was identified in OctoPrint 1.0.0. Affected by this vulnerability is the function _validate of the file src/octoprint/server/api/files.py of the component File Download API. Such manipulation of the argument filename leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

EUVD references (4)

Affected products (1)

Vendor	Product	Versions	Platforms
n/a	OctoPrint	`1.0.0` (affected)	—

Vendor references (4)

References embedded in the original CVE record by the assigning CNA.

VDB-408189 | OctoPrint File Download API files.py _validate path traversal vdb-entrytechnical-description
VDB-408189 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
CVE-2026-94489 | CVE Analysis and Report third-party-advisory
Submit #895338 | OctoPrint Foundation OctoPrint 1.0.0 CWE: CWE-22 (Path Traversal) third-party-advisory

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (4)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://vuldb.com/cve/CVE-2026-94489 cna@vuldb.com
https://vuldb.com/submit/895338 cna@vuldb.com
https://vuldb.com/vuln/408189 cna@vuldb.com
https://vuldb.com/vuln/408189/cti cna@vuldb.com

Remediations (10)

CVE-2026-69414 ShieldBreak Zero-Day: No Patch, and CISA BOD 26-04 Gives ...

web:blog.qualys.com

What can I do before Microsoft releases a patch ? Qualys TruRisk™ Eliminate provides a recommended mitigation for CVE - 2026 -69414 that can be applied to affected systems while Microsoft works on a fix . Assets can then be reassessed in Qualys VMDR to verify the remediation outcome.

2026-09-22 17:06 UTC
Mitigate RedSun Zero-Day Without A Patch | Qualys

web:blog.qualys.com

Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...

2026-09-22 17:06 UTC
CVE-2026-94489: OctoPrint Path Traversal (CVSS 4.3) | CVETodo

web:cvetodo.com

CVE-2026-94489 is a CVSS 4.3 Path Traversal vulnerability in OctoPrint. Full technical analysis, mitigations , and exploit status — updated in real time.

2026-09-22 17:06 UTC
Identify and remediate vulnerabilities for CVE-2026-19489

web:docs.netscaler.com

Remediate CVE - 2026 -19489 For CVE - 2026 -19489 impacted NetScaler instances, the remediation is a single-step process and you need to upgrade the vulnerable NetScaler instances to a release and build that has the fix . In the GUI, under CVE Detection > Impacted Instances, select the instances and click Proceed to upgrade workflow.

2026-09-22 17:06 UTC
Security Advisories and Bulletins | Microsoft Learn

web:learn.microsoft.com

Learning path Learn how Microsoft supports secure software development as part of a cybersecurity solution - Training Secure software development means integrating security into each phase of your development lifecycle, from requirements analysis to maintenance. Microsoft provides many services that can help you develop more secure code and deploy a more secure application in the cloud. This ...

2026-09-22 17:06 UTC
Security Update Guide - Microsoft

web:msrc.microsoft.com

The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

2026-09-22 17:06 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.

2026-09-22 17:06 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-22 17:06 UTC
Description of the security update for Office 2016: August 11, 2026 ...

web:support.microsoft.com

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...

2026-09-22 17:06 UTC
Vulnerability - cert-in.org.in

web:www.cert-in.org.in

CERT-In Vulnerability Note CIVN- 2026 -0448 Multiple vulnerabilities in Microsoft Products Original Issue Date:September 09, 2026 Severity Rating: CRITICAL Systems Affected Azure Data Manager for Energy Azure SQL Database Azure Data Factory Microsoft Office Word Microsoft Office 365 Microsoft Office LTSC Microsoft 365 Apps Microsoft Copilot in Azure Azure Virtual Machines Microsoft Partner ...

2026-09-22 17:06 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-94489.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:octoprint:octoprint:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "File Download API"
          ],
          "product": "OctoPrint",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "EagleShadow (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in OctoPrint 1.0.0. Affected by this vulnerability is the function _validate of the file src/octoprint/server/api/files.py of the component File Download API. Such manipulation of the argument filename leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-21T23:30:13.998Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-408189 | OctoPrint File Download API files.py _validate path traversal",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/408189"
        },
        {
          "name": "VDB-408189 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/408189/cti"
        },
        {
          "name": "CVE-2026-94489 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-94489"
        },
        {
          "name": "Submit #895338 | OctoPrint Foundation OctoPrint 1.0.0 CWE: CWE-22 (Path Traversal)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/895338"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-21T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-21T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-21T19:50:25.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "OctoPrint File Download API files.py _validate path traversal",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-94489",
    "datePublished": "2026-09-21T23:30:13.998Z",
    "dateReserved": "2026-09-21T17:45:16.183Z",
    "dateUpdated": "2026-09-21T23:30:13.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}