PatchTheCVECVE-2026-86766: Snipe-IT versions up to and including 8.6.3 contain a race condition (TOCTOU) in the consumable checkout API e
CVE-2026-86766 is a medium-severity flaw (CVSS 6.5) affecting snipe-it. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Snipe-IT versions up to and including 8.6.3 contain a race condition (TOCTOU) in the consumable checkout API endpoint (POST /api/v1/consumables/{consumable_id}/checkout). The requested quantity is validated against the number of remaining units before the database transaction begins, and the transaction then creates the checkout records without locking the consumable row or re-checking availability. An authenticated user with permission to check
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 72%) |
| CISA exploited list | No |
| Weakness | CWE-362 |
| Published | 2026-09-09 |
| Last modified | 2026-09-16 |
Last updated 2026-09-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-86766?
snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.
Is CVE-2026-86766 being exploited?
CVE-2026-86766 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-86766 affect?
CVE-2026-86766 affects snipe-it. Severity is medium (CVSS 6.5). Snipe-IT versions up to and including 8.6.3 contain a race condition (TOCTOU) in the consumable checkout API endpoint (POST /api/v1/consumables/{consumable_id}/checkout). The requested quantity is validated against the number of remaining u
How urgent is CVE-2026-86766?
Priority 35/100. Public exploit reference
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