What is CVE-2026-110650?

CVE-2026-110650 is a critical-severity vulnerability in Anshulkharb Thumbnail, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-10-14.

How severe is CVE-2026-110650?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Anshulkharb Thumbnail

CVE-2026-110650

The thumbnail Python package through 1.5 contains an OS command injection vulnerability in generate_thumbnail() that allows attackers to execute commands by supplying shell metacharacters in file paths. Attackers who control a file name passed to generate_thumbnail, such as an uploaded file, can inject commands into os.system() calls running ffmpeg, convert or unoconv with the Python process privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-10-14 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Anshulkharb Thumbnail

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/anshulkharb/thumbnail/pull/9 (issue-tracking, patch)
github.com/anshulkharb/thumbnail/blob/23b2e30509c936872a3bafac65b4aa48777e794c/… (technical-description)
www.vulncheck.com/advisories/thumbnail-through-1.5-os-command-injection-via-gen… (third-party-advisory)

Frequently asked questions

What is CVE-2026-110650?: CVE-2026-110650 is a critical-severity vulnerability in Anshulkharb Thumbnail, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-10-14.
How severe is CVE-2026-110650?: Critical severity. CVSS v3 base score is 9.8 out of 10.