CVE-2026-65650
MediumPublished
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Published
- Jul 22, 2026
- Updated
- Jul 22, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 28, 2026
Primary CVSS
4.3/ 10Medium
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L0.5%
Low · next 30 days
- Percentile
- 37.7%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
Sources
PoC for CVE-2026-65650 - Elgg avatar upload DoS
Responsible use
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