CVE-2026-40543 Missing Authorization in SOPlanning

High 8.8 Published Updated

Unauthenticated attackers can access backup endpoints to retrieve user databases and sensitive configuration files from SOPlanning.

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-2026-40543?

CVE-2026-40543 is a high-severity missing authorization vulnerability in SOPlanning, published on 1 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SOPlanning does not enforce authorization for backup functionalities. An unauthenticated attacker can directly query backup-related endpoints and retrieve backup archives containing user databases with usernames and password hashes, as well as the config.csv file, which includes additional sensitive information.

This issue affects SOPlanning version 1.55 and below.

Weakness: CWE-862

Which versions are affected by CVE-2026-40543?

How do I fix CVE-2026-40543?

No fix has been published for CVE-2026-40543 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-40543 being exploited?

There is no known exploitation of CVE-2026-40543 in the wild and no public exploit code.

Sources

Also known as GHSA-jrvc-354g-rfch.

Is CVE-2026-40543 in your software?

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