CVE-2020-36970 PMB 5.6 - 'chemin' Local File Disclosure
Attackers can read arbitrary system files via path traversal in getgif.php, exposing sensitive data in PMB library software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36970?
CVE-2020-36970 is a medium-severity path traversal vulnerability in PMB Services, published on 28 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PMB 5.6 contains a local file disclosure vulnerability in getgif.php that allows attackers to read arbitrary system files by manipulating the 'chemin' parameter. Attackers can exploit the unsanitized file path input to access sensitive files like /etc/passwd by sending crafted requests to the getgif.php endpoint.
Weakness: CWE-22
Which versions are affected by CVE-2020-36970?
How do I fix CVE-2020-36970?
No fix has been published for CVE-2020-36970 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-36970 being exploited?
There is no known exploitation of CVE-2020-36970 in the wild and no public exploit code.
Sources
Also known as GHSA-mc39-mcp7-82wg.