CVE-2026-40547 Path Traversal in SOPlanning
Authenticated attackers can exploit path traversal in backup endpoints to read and execute files, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40547?
CVE-2026-40547 is a medium-severity path traversal vulnerability in SOPlanning, published on 1 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
SOPlanning is vulnerable to Path Traversal in backup endpoints. Authenticated remote attacker is able to exploit a vulnerable endpoint and construct payloads that allow reading and executing files previously added through the backup functionality. Critically, due to CVE-2026-40543 (Missing Authorization), any backup file can be read by any (unauthorized) user.
This issue affects SOPlanning version 1.55 and below.
Weakness: CWE-22
Which versions are affected by CVE-2026-40547?
How do I fix CVE-2026-40547?
No fix has been published for CVE-2026-40547 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-2026-40547 being exploited?
There is no known exploitation of CVE-2026-40547 in the wild and no public exploit code.
Sources
Also known as GHSA-6g52-vww8-5mh5.