CVE-2026-55173 AVideo incomplete fix for CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

🗓️ 16 Jul 2026 20:41:26Reported by GitHub_MType

AVideo is vulnerable to operating system command injection on versions 29.0 and below due to incomplete fix for CVE-2026-33482; a single ampersand is not sanitized.

Reporter	Title	Published	Views	Family All 10
ATTACKERKB	CVE-2026-55173	16 Jul 202620:41	–	attackerkb
Circl	CVE-2026-55173	10 Jun 202620:03	–	circl
CVE	CVE-2026-55173	16 Jul 202620:41	–	cve
EUVD	EUVD-2026-45040	16 Jul 202620:41	–	euvd
Github Security Blog	AVideo has an incomplete fix of CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink	23 Jun 202617:42	–	github
NVD	CVE-2026-55173	16 Jul 202621:17	–	nvd
OSV	GHSA-WC3F-XC32-435F AVideo has an incomplete fix of CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink	23 Jun 202617:42	–	osv
Positive Technologies	PT-2026-51639	23 Jun 202600:00	–	ptsecurity
Snyk	Command Injection	23 Jun 202617:42	–	snyk
Vulnrichment	CVE-2026-55173 AVideo incomplete fix for CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink	16 Jul 202620:41	–	vulnrichment

[
  {
    "vendor": "WWBN",
    "product": "AVideo",
    "versions": [
      {
        "version": "<= 29.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/WWBN/AVideo/commit/c1cfa2bea8a351a1d07f5758f82887403e3abf1f
github	www.github.com/WWBN/AVideo/security/advisories/GHSA-wc3f-xc32-435f

16 Jul 2026 20:41Current

CVSS 3.18.1

CWE-78