How severe is CVE-2024-7983?

CVE-2024-7983 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-7983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-7983?

CVE-2024-7983 affects Openwebui Open Webui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-7983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-7983 have an EU (EUVD) identifier?

Yes. CVE-2024-7983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6928.

When was CVE-2024-7983 published?

CVE-2024-7983 was published on 2025-03-20 and last updated on 2026-06-17.

CVE-2024-7983

CVE-2024-7983 is a high-severity vulnerability in Openwebui Open Webui with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6928
Weakness: CWE-770
Affected product: Openwebui Open Webui
Published: 2025-03-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-7983?: 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.
How severe is CVE-2024-7983?: CVE-2024-7983 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-7983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-7983?: CVE-2024-7983 affects Openwebui Open Webui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-7983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-7983 have an EU (EUVD) identifier?: Yes. CVE-2024-7983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6928.
When was CVE-2024-7983 published?: CVE-2024-7983 was published on 2025-03-20 and last updated on 2026-06-17.

References

https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc

Affected products (1)

cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*

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