{"schema":"threatline.record/2","record":{"id":"CVE-2026-105111","aliases":[],"summary":"Apache Commons BCEL: Class2HTML emits unescaped class strings, enabling stored XSS","details":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Commons BCEL.\n\n\n\nThis only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings into HTML unescaped (stored XSS in reports).\n\n\n\nThis issue affects Apache Commons BCEL: before 6.13.0.\n\n\n\nUsers are recommended to upgrade to version 6.13.0, which fixes the issue.","categories":["Unclassified"],"product":"Apache Commons BCEL","vendor":"Apache Software Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105111","source_modified_at":"2026-10-07T06:11:54.071Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Apache Commons BCEL","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"0","lessThan":"6.13.0","versionType":"maven"},{"status":"affected","version":"0","lessThan":"fb72c225cbc6ec3d94060ed6edb269f07428d504","versionType":"git"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105111","source_modified_at":"2026-10-07T06:11:54.071Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Apache Commons BCEL","ecosystem":null},"version":"6.13.0","basis":"first unaffected version stated in the CVE record"}],"cvss":4.7,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00252,"percentile":0.15712,"score_date":"2026-10-23"},"published_at":"2026-10-06T19:44:18.075Z","modified_at":"2026-10-07T06:11:54.071Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105111","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-07T06:11:54.071Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105111","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/apache/commons-bcel/commit/fb72c225cbc6ec3d94060ed6edb269f07428d504.patch","tags":["patch"]},{"source":"CVE List","url":"https://lists.apache.org/thread.html/co1wfk2lyrmpnfhn49o370pvfl978rw6","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-06T19:58:48.850537Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-07T06:11:54.071Z","content_hash":"c98d9870717d92823205bbcfda3e840527014cea043bfb330e06aeb8cbb336a3"}}