What is CVE-2026-65650?

CVE-2026-65650 is a medium-severity vulnerability in Elgg, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-07-22.

How severe is CVE-2026-65650?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2026-65650 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Elgg

CVE-2026-65650

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

EPSS: 0.004 (32.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Elgg — versions 0, 7.0.0-rc.1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

swornim619/CVE-2026-65650

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-65650?: CVE-2026-65650 is a medium-severity vulnerability in Elgg, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-07-22.
How severe is CVE-2026-65650?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2026-65650 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.