CVE-2026-55479 Snipe-IT: Incorrect permission for legacy license checkin API

What is CVE-2026-55479?

CVE-2026-55479 is a medium-severity missing authorization vulnerability in Snipeitapp Snipe-It, published on 10 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, the legacy single-seat license checkin flow authorizes the action with the checkout permission instead of the checkin permission, allowing a user who can assign licenses but not unassign them to directly access the old checkin endpoint and reclaim a license seat assigned to another user or asset. This issue is fixed in version 8.6.2.

Weakness: CWE-863

Which versions are affected by CVE-2026-55479?

2 open source packages ship an affected version, including snipe/snipe-it. It affects 1 product.

Products include Snipeitapp Snipe-It.

How do I fix CVE-2026-55479?

Upgrade snipe/snipe-it to 8.6.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-55479 being exploited?

There is no known exploitation of CVE-2026-55479 in the wild and no public exploit code.

Other vulnerabilities in Snipeitapp Snipe-It

• CVE-2025-63601 File upload in n/a Critical 9.9
• CVE-2026-37709 Snipe-IT has insecure permissions in file uploads Critical 9.8
• CVE-2026-86738 Snipe-IT before 8.7.0 CSS Injection via Custom CSS Critical 9.3
• CVE-2026-116199 Snipe-IT before 8.6.3 Authentication Bypass via Google SSO Callback Critical 9.2
• CVE-2022-1380 Stored Cross Site Scripting vulnerability in Item name parameter in snipe/snipe-it Critical 9.1

All Snipeitapp Snipe-It vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8frh-vhgh-64cf.