{"id":"CVE-2026-86738","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-86738","summary":"Snipe-IT versions before 8.7.0 contain a CSS injection vulnerability in the Custom CSS field due to incomplete sanitization that reverses HTML encoding on greater-than and double-quote…","details":"Snipe-IT versions before 8.7.0 contain a CSS injection vulnerability in the Custom CSS field due to incomplete sanitization that reverses HTML encoding on greater-than and double-quote characters. Superusers can plant malicious CSS payloads using @import and url() references to exfiltrate CSRF tokens from other superusers via attribute-selector rules, enabling account takeover.","published":"2026-09-08T15:14:06.446Z","modified":"2026-09-08T15:30:34.120Z","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/grokability/snipe-it/commit/d26d71688359707f3b257fc04fe6c3e5a17405f9","label":"grokability/snipe-it@d26d716"},"references":[{"type":"ADVISORY","url":"https://github.com/grokability/snipe-it/security/advisories/GHSA-pvcw-mp8q-mj39"},{"type":"FIX","url":"https://github.com/grokability/snipe-it/commit/d26d71688359707f3b257fc04fe6c3e5a17405f9"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-css-injection-via-custom-css"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-08T15:30:34.120Z"}}