In version v0.3.32 of open-webui/open-webui, the application allows users to submit large payloads in the email and password fields during the sign-in process due to the lack of character length validation on these inputs. This vulnerability can lead to a Denial of Service (DoS) condition when a user submits excessively large strings, exhausting server resources such as CPU, memory, and disk space, and rendering the service unavailable for legitimate users. This makes the server susceptible to resource exhaustion attacks without requiring authentication.
CVE-2024-12534
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-03-20. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 52.8%
- KEV
- Not listed
Published
March 20, 2025
Last Modified
July 18, 2025
References (1)
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| npm | open-webui | — | ghsa |
| pip | open-webui | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(2 across 2 ecosystems)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| open-webui | — | — | — |
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| open-webui | 0.1.124 ... 0.3.9 (50 versions) | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-30 09:15 UTCEG score recompute
- 2026-05-30 09:15 UTCGHSA enrichment
- 2026-05-29 13:43 UTCEPSS rescore
Related CVEs(same product + same CWE)
Same product
10 shownpip:open-webui · npm:open-webui
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2024-12534?
When was CVE-2024-12534 disclosed?
Is CVE-2024-12534 actively exploited?
What is the CVSS score of CVE-2024-12534?
How do I remediate CVE-2024-12534?
Dependency Blast Radius
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