High severity · published Mar 20, 2025
CVE-2024-7983
In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. A maliciously crafted markdown payload can cause the server to spend excessive time converting it, leading to a denial of service. The server becomes unresponsive to other requests until the conversion is complete.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OW
Open Webui · Openwebui
0.3.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-7983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-7983
Exploit
https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc
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