What’s Vulnerable › Vulnerabilities

CVE-2026-65650

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-22 · updated 2026-07-22
• Weakness: CWE-770

Description

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.

Affected products

• Elgg: before 6.3.5; from 7.0.0-rc.1 before 7.0.0 — fixed in 6.3.5, 7.0.0

How to fix

Upgrade to a fixed version: Elgg 6.3.5, 7.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/Elgg/Elgg/commit/ab91d59dc2caaa3fdbfe7e9b916fc0cc7e6b323a
• https://github.com/Elgg/Elgg/compare/7.0.0-rc.1...7.0.0
• https://github.com/Elgg/Elgg/pull/15041

Get alerted when CVE-2026-65650 or the next vulnerability affects your stack