Fabric before 1.1.0 allows local users to overwrite arbitrary files via a symlink attack on (1) a /tmp/fab.*.tar file or (2) certain other files in the top level of /tmp/.
/tmp/fab.*.tar
/tmp/
"https://github.com/pypa/advisory-database/blob/main/vulns/fabric/PYSEC-2026-808.yaml"