{"id":"ghsa-ghsa-c947-3pg5-gm8q","seq":32747,"kind":"advisory","title":"virtualenv activate.fish runs commands from a path or prompt with a backslash before a quote","url":"https://github.com/advisories/GHSA-c947-3pg5-gm8q","permalink":"https://vulnpulse.app/items/ghsa-ghsa-c947-3pg5-gm8q","summary":"影響: pip:virtualenv <= 21.14.1 → 21.14.2\nImpact FishActivator defines no quote(), so it inherits ViaTemplateActivator.quote, which returns shlex.quote(string). That function follows POSIX sh rules, where a backslash inside single quotes stays a literal character. fish reads \\' inside single quotes as an escaped quote and \\\\ as an escaped backslash. A value with a backslash before a quote therefore ends the literal somewhere other than where shlex.quote put the end, and fish expands the command substitution that follows. The environmen…","severity":"high","techs":["python"],"cves":["CVE-2026-113732"],"tags":["GHSA-c947-3pg5-gm8q","virtualenv"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-21T16:39:58.000Z","fetched_at":"2026-10-21T18:28:52.985Z"}