by Kastro
Paper/Archive/CVE-2026-110650

CVE-2026-110650

anshulkharb thumbnail — Thumbnail through 1.5 OS Command Injection via generate_thumbnail File Paths

EPSS 3%public exploitCVSS 9.8
critical.is priorityof 100
57
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 87.3.873 × 2017.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
thumbnail≤ 1.5–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/anshulkharb/thumbnail/pull/9writeupgithub.com/anshulkharb/thumbnail/blob/23b2e30509c936872a3bafac65b4aa48777e794c/thumbnail/thumbnail.py#L100-L114writeupvulncheck.com/advisories/thumbnail-through-1.5-os-command-injection-via-generate-thumbnail-file-paths