{"id":"PYSEC-2026-1288","summary":"DataChain Vulnerable to Deserialization of Untrusted Data from Environment Variables","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.","aliases":["CVE-2025-61677","GHSA-6px8-mr29-cj4r"],"modified":"2026-07-07T17:47:34.801742339Z","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"}],"affected":[{"package":{"name":"datachain","ecosystem":"PyPI","purl":"pkg:pypi/datachain"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.34.2"}]}],"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"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/datachain/PYSEC-2026-1288.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}