Snipe-IT Vulnerable to Unauthorized Asset Request Cancellation via Unguarded cancel_by_admin Parameter
### Impact The route POST `/account/request/{itemType}/{itemId}/{cancel_by_admin?}/{requestingUser?}` accepts `cancel_by_admin` as a plain URL path segment with no authorization check. Any authenticated user regardless of permissions can set this parameter to a truthy value and supply a victim's user ID to silently cancel that user's pending asset requests. The attacker only needs an active session; no elevated privilege is required. ### Patches Patched in 8.6.1
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-55476US | medium4.3OT elevated | — | ||
Snipe-IT is an IT asset/license management system. Prior to 8.6.0, POST /account/request/{itemType}/{itemId}/{cancel_by_admin?}/{requestingUser?} accepts cancel_by_admin as a URL p… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/grokability/snipe-itPACKAGE
- https://github.com/grokability/snipe-it/commit/3c1b18919afbba12d419a9795929493b0391c91aWEB
- https://github.com/grokability/snipe-it/commit/ac2162113d9e25e4c61b61916ce67fb2a1050553WEB
- https://github.com/grokability/snipe-it/releases/tag/v8.6.0WEB
- https://github.com/grokability/snipe-it/security/advisories/GHSA-53jc-27pc-x8r8WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-55476ADVISORY
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