High severity8.7NVD Advisory· Published Sep 8, 2026· Updated Sep 9, 2026
CVE-2026-86738
CVE-2026-86738
Description
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.
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Affected products
1- Range: <8.7.0
Patches
Vulnerability mechanics
References
3- github.com/grokability/snipe-it/commit/d26d71688359707f3b257fc04fe6c3e5a17405f9nvdPatch
- github.com/grokability/snipe-it/security/advisories/GHSA-pvcw-mp8q-mj39nvdPatchVendor Advisory
- www.vulncheck.com/advisories/snipe-it-before-8.7.0-css-injection-via-custom-cssnvdPatchThird Party Advisory
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