{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-54328",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-12T18:42:02.224Z",
        "datePublished": "2026-06-23T19:25:04.051Z",
        "dateUpdated": "2026-06-24T13:38:04.242Z"
    },
    "containers": {
        "cna": {
            "title": "Pi: Predictable temporary extension install paths allow local privilege escalation on shared Linux hosts",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-379",
                            "lang": "en",
                            "description": "CWE-379: Creation of Temporary File in Directory with Insecure Permissions",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.3,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/earendil-works/pi/security/advisories/GHSA-jfgx-wxx8-mp94",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/earendil-works/pi/security/advisories/GHSA-jfgx-wxx8-mp94"
                },
                {
                    "name": "https://github.com/earendil-works/pi/pull/5345",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/earendil-works/pi/pull/5345"
                },
                {
                    "name": "https://github.com/earendil-works/pi/commit/a98e087e5d08ea2a536bf73dbb0aebb87c3ef72e",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/earendil-works/pi/commit/a98e087e5d08ea2a536bf73dbb0aebb87c3ef72e"
                },
                {
                    "name": "https://github.com/earendil-works/pi/commit/ea3465a8e371a12d0167a06b60f93878e3a3df44",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/earendil-works/pi/commit/ea3465a8e371a12d0167a06b60f93878e3a3df44"
                },
                {
                    "name": "https://github.com/earendil-works/pi/releases/tag/v0.78.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/earendil-works/pi/releases/tag/v0.78.1"
                }
            ],
            "affected": [
                {
                    "vendor": "earendil-works",
                    "product": "pi",
                    "versions": [
                        {
                            "version": ">= 0.74.0, < 0.78.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-06-23T19:25:04.051Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi versions with temporary npm or git extension package installs used predictable paths under the operating system temporary directory. On Linux-based multi-user systems, a local attacker who can write to the shared temporary directory could prepare the expected package location before another user runs pi with a temporary extension package source. Pi could then load attacker-controlled extension code in the victim user's process.  This vulnerability is fixed in 0.78.1."
                }
            ],
            "source": {
                "advisory": "GHSA-jfgx-wxx8-mp94",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-24T13:37:52.524343Z",
                                "id": "CVE-2026-54328",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-24T13:38:04.242Z"
                }
            }
        ]
    }
}