vuln-cve/data/2026/4xxx/CVE-2026-4502.json

{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-4502",
        "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "state": "PUBLISHED",
        "assignerShortName": "ibm",
        "dateReserved": "2026-03-20T13:47:59.369Z",
        "datePublished": "2026-04-30T20:57:08.130Z",
        "dateUpdated": "2026-06-12T20:28:41.538Z"
    },
    "containers": {
        "cna": {
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                "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
                "shortName": "ibm",
                "dateUpdated": "2026-06-12T20:28:41.538Z"
            },
            "title": "Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "IBM",
                    "product": "Langflow Desktop",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.2.0",
                            "lessThanOrEqual": "1.8.4",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:2.3:a:ibm:langflow_desktop:1.2.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to write arbitrary files on the system.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send&nbsp;a specially crafted URL request containing \"dot dot\" sequences (/../) to write arbitrary files on the system.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.ibm.com/support/pages/node/7271097",
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.5,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer  https://www.langflow.org/blog/langflow-1-9-desktop \nIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0\nTo install Langflow Desktop for the first time, visit   Langflow Desktop https://langflow.org/desktop . Download https://langflow.org/desktop",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer <a href=\"https://www.langflow.org/blog/langflow-1-9-desktop\" rel=\"nofollow\">https://www.langflow.org/blog/langflow-1-9-desktop</a><br>If you are already using Langflow Desktop, upgrade in the application to version 1.9.0<br>To install Langflow Desktop for the first time, visit <a href=\"https://langflow.org/desktop\" rel=\"nofollow\">&nbsp;Langflow Desktop</a>.<a href=\"https://langflow.org/desktop\" rel=\"nofollow\">Download</a></p>"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "The vulnerability was reported to IBM by Akshat Sinha, Senior SRE Rubrik (https://www.linkedin.com/in/akshat-sinha-568765167).",
                    "type": "reporter"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "ibm-cvegen"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-01T14:57:03.183036Z",
                                "id": "CVE-2026-4502",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-01T14:58:10.215Z"
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}