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[GHSA-v9v8-jp27-55gf] marimo before 0.23.15 contains a configuration injection... #9189

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[GHSA-v9v8-jp27-55gf] marimo before 0.23.15 contains a configuration injection... #9189

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31 changes: 24 additions & 7 deletions advisories/unreviewed/2026/08/GHSA-v9v8-jp27-55gf/GHSA-v9v8-jp27-55gf.json
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{
"schema_version": "1.4.0",
"id": "GHSA-v9v8-jp27-55gf",
"modified": "2026-08-04T15:32:24Z",
"modified": "2026-08-04T15:32:30Z",
"published": "2026-08-04T15:32:24Z",
"aliases": [
"CVE-2026-67618"
],
"summary": "marimo vulnerable to configuration injection via PEP-723 inline metadata",
"details": "marimo before 0.23.15 contains a configuration injection vulnerability that allows notebook authors to exfiltrate operator API keys by embedding a malicious base_url in PEP-723 inline script metadata, which is merged into session configuration with higher precedence than the operator's own settings due to insufficient sanitization in sanitize_pyproject_dict. When an operator opens the crafted notebook and makes an AI request, marimo resolves the attacker-controlled base_url from the notebook config while falling back to the operator's OPENAI_API_KEY environment variable for authentication, transmitting the API key to the attacker-controlled endpoint without requiring any cell execution.",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "marimo"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.23.15"
}
]
}
]
}
],
"affected": [],
"references": [
{
"type": "ADVISORY",
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