{"id":27898,"date":"2026-09-23T16:31:21","date_gmt":"2026-09-23T08:31:21","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-82331"},"modified":"2026-09-23T16:31:21","modified_gmt":"2026-09-23T08:31:21","slug":"cve-2026-82331","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-82331","title":{"rendered":"CVE-2026-82331 &#8211; Improper link resolution before file access (&#8216;link following&#8217;) vulnerability in the `tar`"},"content":{"rendered":"<p>Improper link resolution before file access (&#8216;link following&#8217;) vulnerability in the `tar` source plugin of Apache BuildStream running on Python = 3.12, BuildStream &gt;= 2.3.0 already makes use of the Python `tarfile` filter functionality, which blocks the symlink escape<\/p>\n<p>Users are recommended to upgrade to version 2.8.1, which fixes this issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Improper link resolution before file access (&#8216;link following&#8217;) vulnerability in the `tar` source plugin of Apache BuildStream running on Python &lt; 3.12 allows malicious source tarballs to write files o<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27898","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}