PT-2026-32123 · Lollms · Lollms

Published 2025-12-29 · Updated 2026-04-11 · CVE-2026-5728

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions LoLLMS (Lord of Large Language Multimodal Systems) (affected versions not specified)

Description An unrestricted upload of dangerous file types exists in the backend/routers/files.py script. This issue is related to Content-Type spoofing within the image upload functionality, which could allow a remote attacker to write arbitrary files to the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

BDU:2026-06492

CVE-2026-5728

Affected Products

Lollms

References · 4

• https://bdu.fstec.ru/vul/2026-06492 · Security Note
• https://twitter.com/aydinnyunuss/status/2043002599733924077 · Twitter Post
• https://aydinnyunus.github.io/2026/05/03/content-type-spoofing-lollms-chat-image-cve-2026-5728 · Note
• https://huntr.com/bounties/6178eeaa-3ef8-42e0-a8d4-7b9dca928017 · Note