{"action":"Upgrade dulwich to 1.2.5 or later.","affected":[{"fixed":"1.2.5","introduced":"0.10.0"}],"component":"dulwich","cve_ids":["CVE-2026-42305"],"ecosystem":"PyPI","epss":0.00635,"exploited":false,"fixed_versions":["1.2.5"],"ghsa_id":"GHSA-897w-fcg9-f6xj","id":"tcs_01M5KGZMRZW9SRJ5M63T73NRF0","modified_at":"2026-07-13T16:31:45.611264999Z","published_at":"2026-07-13T15:19:13.528006Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2463","https://github.com/jelmer/dulwich/security/advisories/GHSA-897w-fcg9-f6xj","https://nvd.nist.gov/vuln/detail/CVE-2026-42305","https://github.com/jelmer/dulwich/commit/49eb56e51aad637fc23d54bf2a08cb42739b8290","https://github.com/jelmer/dulwich/commit/57efc4aa1581e038915a0fd79365be53b150f4a9","https://github.com/jelmer/dulwich","https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5","https://pypi.org/project/dulwich","https://github.com/advisories/GHSA-897w-fcg9-f6xj"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-2463","url":"https://osv.dev/vulnerability/PYSEC-2026-2463"}],"summary":"Dulwich has an arbitrary file write via NTFS-hostile tree entries on Windows"}