CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2026-26833
Critical (9.8) in mmahrous thumbler. EPSS 2.4% chance of exploitation in the next 30 days.
thumbler through 1.1.2 allows OS command injection via the input, output, time, or size parameter in the thumbnail() function because user input is concatenated into a shell command string passed to child_process.exec() without proper sanitization or escaping.
Severity
- EPSS
- 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-78, CWE-94
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mmahrous:thumbler
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mvhf-547c-h55r | npm | thumbler | <=1.1.2 | no fix published |