CVE-2020-37012 Tea LaTex 1.0 - Remote Code Execution
Unauthenticated attackers can execute arbitrary shell commands via malicious LaTeX payloads in the tex2png API endpoint.
- 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-2020-37012?
CVE-2020-37012 is a critical command injection vulnerability in ammarfaizi2 Tea LaTex, published on 29 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tea LaTex 1.0 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary shell commands through the /api.php endpoint. Attackers can craft a malicious LaTeX payload with shell commands that are executed when processed by the application's tex2png API action.
Weakness: CWE-78
Which versions are affected by CVE-2020-37012?
How do I fix CVE-2020-37012?
No fix has been published for CVE-2020-37012 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-2020-37012 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37012 exists.
Sources
Also known as GHSA-258j-7hr2-w66m.