CVE-2020-37279 easy-pdf-merge 0.1.0 through 0.2.6 OS Command Injection via merge function
Attackers can execute arbitrary OS commands by injecting shell metacharacters into file paths or options in the easy-pdf-merge library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-37279?
CVE-2020-37279 is a critical command injection vulnerability in karuppiah7890 easy-pdf-merge, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
easy-pdf-merge 0.1.0 through 0.2.6 contains an OS command injection vulnerability that allows attackers to execute commands by injecting shell metacharacters into source paths, destination path, or maxHeap option. Attackers can supply file names or options containing double quotes, semicolons, $() or backticks, which child_process.exec() runs through a shell with the Node.js process privileges.
Weakness: CWE-78
Which versions are affected by CVE-2020-37279?
How do I fix CVE-2020-37279?
No fix has been published for CVE-2020-37279 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-37279 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37279 exists.
Sources
Also known as GHSA-hh4m-hjw2-vfg7.