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TI-2026-00845 Aliases CVE-2026-1117GHSA-82fw-ch24-j34w

Improper Access Control in parisneo/lollms

Priority HIGH 75CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · High
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.

Summary

A vulnerability in the `lollms_generation_events.py` component of parisneo/lollms version 5.9.0 allows unauthenticated access to sensitive Socket.IO events. The `add_events` function registers event handlers such as `generate_text`, `cancel_generation`, `generate_msg`, and `generate_msg_from` without implementing authentication or authorization checks. This allows unauthenticated clients to execute resource-intensive or state-altering operations, leading to potential denial of service, state corruption, and race conditions. Additionally, the use of global flags (`lollmsElfServer.busy`, `lollmsElfServer.cancel_gen`) for state management in a multi-client environment introduces further vulnerabilities, enabling one client's actions to affect the server's state and other clients' operations. The lack of proper access control and reliance on insecure global state management significantly impacts the availability and integrity of the service.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00585 48th percentileScored 2026-11-07
Fix Fixed parisneo/lollms (parisneo): 2.0.0lollms (PyPI): 2.1.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
parisneoparisneo/lollmsbefore 2.0.02.0.0Patch availableCNA
—lollms (PyPI)before 2.1.02.1.0Patch availableGHSA-82fw-ch24-j34w
  • parisneo/lollms Vendorparisneo Affected before 2.0.0 Fixed in 2.0.0 Patch available CNA
  • lollms (PyPI) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-82fw-ch24-j34w

Remediation

  • Fix · CNA parisneo/lollms (parisneo) Fixed in 2.0.0
  • Fix · GHSA-82fw-ch24-j34w lollms (PyPI) Fixed in 2.1.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1117
  2. 2026-10-03 Alias added: GHSA-82fw-ch24-j34w

References

Advisory 1

Other 3

  • TI-2026-00842 Improper Access Control via Weak JWT Token in parisneo/lollms CVSS 3.0CRITICAL 9.8
  • TI-2024-05059 Remote Code Execution via Path Traversal in parisneo/lollms CVSS 3.0CRITICAL 9.8
  • TI-2024-04029 Remote Code Execution via `/apply_settings` and `/execute_code` in parisneo/lollms-webui CVSS 3.0CRITICAL 9.8
  • TI-2024-04023 Remote Code Execution due to LFI in '/install_extension' in parisneo/lollms-webui CVSS 3.1CRITICAL 9.8
  • TI-2024-03798 Arbitrary Code Execution in parisneo/lollms CVSS 3.0CRITICAL 9.8
  • TI-2024-02196 Arbitrary Upload & Read via Path Traversal in parisneo/lollms-webui CVSS 3.0CRITICAL 9.6
See all 83 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences