{"id":"CVE-2026-86738","title":"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","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 characters. Superusers can plant malicious CSS paylo…","severity":"high","cvss":8.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"snipeitapp","product":"snipe-it","affected":["snipe-it >= 3.0.0, < 8.7.0"],"patched":["snipe-it 8.7.0"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T13:06:27.157","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86738","references":[{"url":"https://github.com/grokability/snipe-it/commit/d26d71688359707f3b257fc04fe6c3e5a17405f9","label":"disclosure@vulncheck.com"},{"url":"https://github.com/grokability/snipe-it/security/advisories/GHSA-pvcw-mp8q-mj39","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-css-injection-via-custom-css","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-08T15:30:12.976661Z"},"ingestedAt":"2026-09-08T15:33:26.987Z","epss":0.00275,"epssPercentile":0.20143,"slug":"CVE-2026-86738","body":"## Overview\n\nSnipe-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.\n\n## Affected\n\n- `snipe-it >= 3.0.0, < 8.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `snipe-it 8.7.0`","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}