CVE-2024-9920: In version v12 of parisneo/lollms-webui, the 'Send file to AL' function allows uploading files with various ex

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HIGH 8.8DOWNGRADE

CVE-2024-9920 is a high-severity flaw (CVSS 8.8) affecting lollms web ui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In version v12 of parisneo/lollms-webui, the 'Send file to AL' function allows uploading files with various extensions, including potentially dangerous ones like .py, .sh, .bat, and more. Attackers can exploit this by uploading files with malicious content and then using the '/open_file' API endpoint to execute these files. The vulnerability arises from the use of 'subprocess.Popen' to open files without proper validation, leading to potential re

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: lollms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-20 10:15 UTCPublished CVE record published
2026-06-17 08:25 UTCUpdated Record last modified

lollms lollms web ui DOWNGRADE

Affected: 12

Fixed in: no fixed release known

Safe to downgrade to: a release before 12

1. Check installed version

apt-cache policy lollms-web-ui || rpm -q lollms-web-ui || lollms-web-ui --version

2. No fixed release: DOWNGRADE to a release before 12 (Debian / Ubuntu)

apt-cache madison lollms-web-ui sudo apt install lollms-web-ui=<VERSION_BEFORE_12> sudo apt-mark hold lollms-web-ui

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list lollms-web-ui sudo dnf downgrade lollms-web-ui-<VERSION_BEFORE_12> sudo dnf versionlock add lollms-web-ui

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-9920?

lollms web ui: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-9920 being exploited?

CVE-2024-9920 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-9920 affect?

CVE-2024-9920 affects lollms web ui. Severity is high (CVSS 8.8). In version v12 of parisneo/lollms-webui, the 'Send file to AL' function allows uploading files with various extensions, including potentially dangerous ones like .py, .sh, .bat, and more. Attackers can exploit this by uploading files with m

How urgent is CVE-2024-9920?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2026-33340 CRITICAL 9.1 MITIGATE LoLLMs WEBUI provides the Web user interface for Lord of Large Language and Multi modal Systems
CVE-2025-1451 HIGH 7.5 DOWNGRADE A vulnerability in parisneo/lollms-webui v13 arises from the server's handling of multipart boundaries in file
CVE-2024-9919 HIGH 8.4 DOWNGRADE A missing authentication check in the uninstall endpoint of parisneo/lollms-webui V13 allows attackers to perf
CVE-2024-8898 CRITICAL 9.8 DOWNGRADE A path traversal vulnerability exists in the `install` and `uninstall` API endpoints of parisneo/lollms-webui
CVE-2024-8736 MEDIUM 6.5 DOWNGRADE A Denial of Service (DoS) vulnerability exists in multiple file upload endpoints of parisneo/lollms-webui vers

References

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