TI-2025-05787 Aliases CVE-2025-6386 GHSA-j5pr-vrjj-9v4h

Timing Attack Vulnerability in parisneo/lollms

LOW 39CWE-203Published 2025-07-07 · Updated 2025-07-07

Key facts

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

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-203.

Summary

The parisneo/lollms repository is affected by a timing attack vulnerability in the `authenticate_user` function within the `lollms_authentication.py` file. This vulnerability allows attackers to enumerate valid usernames and guess passwords incrementally by analyzing response time differences. The affected version is the latest, and the issue is resolved in version 20.1. The vulnerability arises from the use of Python's default string equality operator for password comparison, which compares characters sequentially and exits on the first mismatch, leading to variable response times based on the number of matching initial characters.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00408 35th percentileScored 2026-11-07

Fix Fixed parisneo/lollms (parisneo): 20.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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

Vendor	Product	Affected versions	Fixed in	Status	Source
parisneo	parisneo/lollms	before 20.1	20.1	Patch available	CNA
—	lollms (PyPI)	up to 11.0.0	—	No fix listed	GHSA-j5pr-vrjj-9v4h

parisneo/lollms Vendorparisneo Affected before 20.1 Fixed in 20.1 Patch available CNA
lollms (PyPI) Vendor— Affected up to 11.0.0 Fixed in — No fix listed GHSA-j5pr-vrjj-9v4h

Remediation

Fix · CNA parisneo/lollms (parisneo) Fixed in 20.1

Timeline

2026-10-02 Threatist record created from CVE-2025-6386
2026-10-03 Alias added: GHSA-j5pr-vrjj-9v4h

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2025-6386

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