{"action":"Upgrade datachain to 0.34.2 or later.","affected":[{"fixed":"0.34.2","introduced":"0"}],"component":"datachain","cve_ids":["CVE-2025-61677"],"ecosystem":"PyPI","epss":0.00166,"exploited":false,"fixed_versions":["0.34.2"],"ghsa_id":"GHSA-6px8-mr29-cj4r","id":"tcs_01M5KGRPBV4KBTFWGFD909A9YF","modified_at":"2026-07-07T17:47:34.801742339Z","published_at":"2026-07-07T16:03:06.244367Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1288","https://github.com/iterative/datachain/security/advisories/GHSA-6px8-mr29-cj4r","https://nvd.nist.gov/vuln/detail/CVE-2025-61677","https://github.com/iterative/datachain/pull/1358","https://github.com/iterative/datachain/commit/914b95610620d50c8d9bee506ccbfa7d4d57fdc0","https://github.com/iterative/datachain","https://pypi.org/project/datachain","https://github.com/advisories/GHSA-6px8-mr29-cj4r"],"severity":{"label":"low","score":2.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-1288","url":"https://osv.dev/vulnerability/PYSEC-2026-1288"}],"summary":"DataChain Vulnerable to Deserialization of Untrusted Data from Environment Variables"}