{"id":"CVE-2026-86751","title":"Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests","summary":"Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkou…","severity":"high","cvss":8.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","cwe":["CWE-73"],"vendor":"snipeitapp","product":"snipe-it","affected":["snipe-it < 8.7.0"],"patched":["snipe-it 8.7.0"],"published":"2026-09-09","updated":"2026-09-14","sourceUpdated":"2026-09-14T20:29:41.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86751","references":[{"url":"https://github.com/grokability/snipe-it/security/advisories/GHSA-f3vq-g24v-xc2g","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-arbitrary-file-read-and-ssrf-via-markdown","label":"disclosure@vulncheck.com"},{"url":"https://github.com/grokability/snipe-it/security/advisories/GHSA-f3vq-g24v-xc2g","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00256,"epssPercentile":0.1753,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-09T14:23:09.510410Z"},"ingestedAt":"2026-09-12T16:36:30.759Z","slug":"CVE-2026-86751","body":"## Overview\n\nSnipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkout acceptance notes that survive HTML escaping, are expanded by CommonMark parser, and resolved by laravel-mail-auto-embed via file_get_contents or curl, exfiltrating sensitive files like .env containing APP_KEY.\n\n## Affected\n\n- `snipe-it < 8.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `snipe-it 8.7.0`","depth":"midnight","depthScore":59,"depthScoreParts":{"impact":46.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":18334,"id":"CVE-2026-86751","ts":1788966798942,"field":"exploit_available","old":"false","new":"true"}]}