Review reviewHigh

CVE-2026-40543

SOPlanning

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
EPSS
0.27%
19.5% percentile
CISA KEV
Not listed
Published
2026.06.01
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.27%
Technical severityCVSS 8.8

Vulnerability overview

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.

Affected product and versions

Product
SOPlanning
Affected versions
<= 1.55
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that SOPlanning and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-862
CVE-2026-40543 — SOPlanning | SECUFOCUS NOW