{"id":"CVE-2026-14966","aliases":["GHSA-xpf3-p7gm-7756","PYSEC-2026-3719"],"url":"https://o3.security/vulnerability/CVE-2026-14966","summary":"BBOT's Symlink guard bypass in unarchive module allows planting symlinks during extraction","details":"BBOT's unarchive module rejects archives containing symlink entries before extraction, but for zip and 7z archives it failed to detect symlinks whose listing carries a DOS-attribute prefix before the unix mode, as produced by legacy versions of p7zip. Such an archive, downloaded and extracted during a scan (for example via filedownload), bypassed the guard and caused an attacker-controlled symlink to be written into the extraction directory. The effect is limited to planting the symlink (its target is not written through), and only hosts using such a legacy p7zip build are affected; current mainline 7-Zip is not.","published":"2026-07-08T16:16:27.237Z","modified":"2026-10-20T11:17:16.864179690Z","cvss":{"score":3.1,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"bbot","fixedVersion":"3.0.0"}],"fix":{"url":"https://github.com/blacklanternsecurity/bbot/commit/a3f1a2292e2b0a553827c6175b761abe28807735","label":"blacklanternsecurity/bbot@a3f1a22"},"references":[{"type":"FIX","url":"https://github.com/blacklanternsecurity/bbot/commit/a3f1a2292e2b0a553827c6175b761abe28807735"},{"type":"WEB","url":"https://github.com/blacklanternsecurity/bbot/security/advisories/GHSA-xpf3-p7gm-7756"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14966"},{"type":"WEB","url":"https://github.com/blacklanternsecurity/bbot/commit/3bc8d3a96f34f312853c9fcf8decee2a4e905f26"},{"type":"PACKAGE","url":"https://github.com/blacklanternsecurity/bbot"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/bbot/PYSEC-2026-3719.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T11:17:16.864179690Z"}}