PYSEC-2026-1288
Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 17:23
VLAI
Details
The DataChain library reads serialized objects from environment variables (such as DATACHAIN__METASTORE and DATACHAIN__WAREHOUSE) in the loader.py module. An attacker with the ability to set these environment variables can trigger code execution when the application loads.
Severity
Impacted products
| Name | purl | datachain | pkg:pypi/datachain |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "datachain",
"purl": "pkg:pypi/datachain"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.34.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1.10",
"0.1.11",
"0.1.12",
"0.1.13",
"0.10.0",
"0.11.0",
"0.11.11",
"0.12.0",
"0.13.0",
"0.13.1",
"0.14.0",
"0.14.1",
"0.14.2",
"0.14.3",
"0.14.4",
"0.14.5",
"0.15.0",
"0.16.0",
"0.16.1",
"0.16.2",
"0.16.3",
"0.16.4",
"0.16.5",
"0.17.0",
"0.17.1",
"0.17.2",
"0.18.0",
"0.18.1",
"0.18.10",
"0.18.11",
"0.18.2",
"0.18.3",
"0.18.4",
"0.18.5",
"0.18.6",
"0.18.7",
"0.18.8",
"0.18.9",
"0.19",
"0.19.1",
"0.19.2",
"0.19.3",
"0.2.0",
"0.2.1",
"0.2.10",
"0.2.11",
"0.2.12",
"0.2.13",
"0.2.14",
"0.2.15",
"0.2.16",
"0.2.17",
"0.2.18",
"0.2.2",
"0.2.3",
"0.2.4",
"0.2.5",
"0.2.6",
"0.2.7",
"0.2.8",
"0.2.9",
"0.20.0",
"0.20.1",
"0.20.2",
"0.20.3",
"0.20.4",
"0.21.0",
"0.21.1",
"0.22.0",
"0.23.0",
"0.24.0",
"0.24.1",
"0.24.2",
"0.24.3",
"0.24.4",
"0.24.5",
"0.24.6",
"0.25.0",
"0.25.1",
"0.25.2",
"0.26.0",
"0.26.1",
"0.26.2",
"0.26.3",
"0.26.4",
"0.27.0",
"0.28.0",
"0.28.1",
"0.28.2",
"0.29.0",
"0.29.1",
"0.3.0",
"0.3.1",
"0.3.10",
"0.3.11",
"0.3.12",
"0.3.13",
"0.3.14",
"0.3.15",
"0.3.16",
"0.3.17",
"0.3.18",
"0.3.19",
"0.3.2",
"0.3.20",
"0.3.3",
"0.3.4",
"0.3.5",
"0.3.6",
"0.3.7",
"0.3.8",
"0.3.9",
"0.30.0",
"0.30.1",
"0.30.2",
"0.30.3",
"0.30.4",
"0.30.5",
"0.30.6",
"0.30.7",
"0.31.0",
"0.31.1",
"0.31.2",
"0.31.3",
"0.31.4",
"0.32.0",
"0.32.1",
"0.32.2",
"0.32.3",
"0.33.0",
"0.33.1",
"0.34.0",
"0.34.1",
"0.4.0",
"0.5.0",
"0.5.1",
"0.6.0",
"0.6.1",
"0.6.10",
"0.6.11",
"0.6.2",
"0.6.3",
"0.6.4",
"0.6.5",
"0.6.6",
"0.6.7",
"0.6.8",
"0.6.9",
"0.7.0",
"0.7.1",
"0.7.10",
"0.7.11",
"0.7.2",
"0.7.3",
"0.7.4",
"0.7.5",
"0.7.6",
"0.7.7",
"0.7.8",
"0.7.9",
"0.8.0",
"0.8.1",
"0.8.10",
"0.8.11",
"0.8.12",
"0.8.13",
"0.8.2",
"0.8.3",
"0.8.4",
"0.8.5",
"0.8.6",
"0.8.7",
"0.8.8",
"0.8.9",
"0.9.0",
"0.9.1"
]
}
],
"aliases": [
"CVE-2025-61677",
"GHSA-6px8-mr29-cj4r"
],
"details": "The DataChain library reads serialized objects from environment variables (such as `DATACHAIN__METASTORE` and `DATACHAIN__WAREHOUSE`) in the `loader.py` module. An attacker with the ability to set these environment variables can trigger code execution when the application loads.",
"id": "PYSEC-2026-1288",
"modified": "2026-07-07T17:23:59.493997Z",
"published": "2026-07-07T16:03:06.244367Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/iterative/datachain/security/advisories/GHSA-6px8-mr29-cj4r"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61677"
},
{
"type": "WEB",
"url": "https://github.com/iterative/datachain/pull/1358"
},
{
"type": "WEB",
"url": "https://github.com/iterative/datachain/commit/914b95610620d50c8d9bee506ccbfa7d4d57fdc0"
},
{
"type": "PACKAGE",
"url": "https://github.com/iterative/datachain"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/datachain"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-6px8-mr29-cj4r"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "DataChain Vulnerable to Deserialization of Untrusted Data from Environment Variables"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- 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.
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