{"id":"ghsa-ghsa-97wv-p4xx-c7mg","seq":2408,"kind":"advisory","title":"ApostropheCMS import-export tar guard misses './..' because it is a literal '../' substring test","url":"https://github.com/advisories/GHSA-97wv-p4xx-c7mg","permalink":"https://vulnpulse.app/items/ghsa-ghsa-97wv-p4xx-c7mg","summary":"影響: npm:@apostrophecms/import-export < 3.7.0 → 3.7.0\nSummary The tar-extraction guard added to @apostrophecms/import-export for GHSA-mwxc-m426-3f78 is a literal substring test for ../, and ./.. does not contain that substring. An entry named ./.. therefore passes the guard, path.join normalizes it to the parent of the export directory, and the resulting fs.WriteStream opens a directory and emits EISDIR with no error listener attached, which terminates the Node process. Confirmed on default-branch HEAD 1bd5d0a7a6fe880836fa75adad6964f1c577d640, pac…","severity":"medium","techs":["nodejs"],"cves":["CVE-2026-113664"],"tags":["GHSA-97wv-p4xx-c7mg","@apostrophecms/import-export"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-20T18:23:42.000Z","fetched_at":"2026-10-21T16:17:46.637Z"}