High 8.8Published Jun 1, 2026

CVE-2026-40543Missing Authorization in SOPlanning

Updated under an hour ago (Oct 26, 2026, 10:40 PM ET)

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It affects SOPlanning. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: CERT-PL
NVD analysis: Deferred
Record last updated: Jun 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

SOPlanning SOPlanning soplanning:soplanning (from the name)	through 1.55	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.