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CVE-2026-109294

Open WebUI 0.6.42 before 0.11.4 Memory Exhaustion via Compressed Remote Image PUBLISHED

Description (CNA)

Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by supplying compressed remote image URLs in chat messages. Attackers can point the image field at a host returning gzip-encoded responses, which get_image_base64_from_url decompresses unbounded, causing denial of service for all users.

Affected (CNA)

Vendor / productVersions
open-webui / open-webuiaffected 0.6.42 before 0.11.4; unaffected 0.11.4

CWE

CWE-400, CWE-409

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.