Vulnerability · Published Jul 22, 2026 · Assigned by mitre
CVE-2026-65650
Medium 4.3
In plain English
A medium-severity resource allocation without limits in Elgg from Elgg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 60.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L