PatchTheCVECVE-2026-86739: Snipe-IT 8.6.3 and earlier do not check the return value of Storage::put() when writing the signature PNG and
CVE-2026-86739 is a low-severity flaw (CVSS 3.1) affecting snipe-it. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Snipe-IT 8.6.3 and earlier do not check the return value of Storage::put() when writing the signature PNG and the generated acceptance PDF in Account\AcceptanceController::store(). On filesystem drivers that return false instead of throwing on a write failure (for example the local disk with restrictive permissions, S3 with expired credentials, or a storage backend that is out of quota), execution continues into $acceptance->accept(), which sets
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.1 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-252 |
| Published | 2026-09-09 |
| Last modified | 2026-09-18 |
Last updated 2026-09-18 · 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-2026-86739?
snipe-it: upgrade to 8.7.0. Exact commands for each OS are on this page.
Is CVE-2026-86739 being exploited?
CVE-2026-86739 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-2026-86739 affect?
CVE-2026-86739 affects snipe-it. Severity is low (CVSS 3.1). Snipe-IT 8.6.3 and earlier do not check the return value of Storage::put() when writing the signature PNG and the generated acceptance PDF in Account\AcceptanceController::store(). On filesystem drivers that return false instead of throwing
How urgent is CVE-2026-86739?
Priority 23/100. Public exploit reference
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