Vulnerability · Published Jun 1, 2026 · Assigned by CERT-PL

CVE-2026-40547Path Traversal in SOPlanning

Medium 6.4

In plain English

A medium-severity path traversal in SOPlanning from SOPlanning. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 4.0)6.4Medium

Exploit odds (30 days)0.4%top 61.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
SOPlanning	SOPlanning	0 – through 1.55

Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H

References

https://cert.pl/en/posts/2026/06/CVE-2026-40543 third-party-advisory
https://www.soplanning.org/en/ product