CVE-2026-65650 - Vulnerability Details - OpenCVE

Description

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

Published: 2026-07-22

Score: 4.3 Medium

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Elgg

Elgg

unaffected

Version	Status	Constraints
`0`	affected	< 6.3.5
`7.0.0-rc.1`	affected	< 7.0.0

No data.

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
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

History

Wed, 22 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 22 Jul 2026 17:45:00 +0000

Type	Values Removed	Values Added
Description		Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
First Time appeared		Elgg Elgg elgg
Weaknesses		CWE-770
CPEs		cpe:2.3:a:elgg:elgg::::::::
Vendors & Products		Elgg Elgg elgg
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
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}`

Subscriptions

Elgg Elgg

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-22T17:07:58.988Z

Updated: 2026-07-22T18:49:19.203Z

Reserved: 2026-07-22T17:07:58.054Z

Link: CVE-2026-65650

Vulnrichment

Updated: 2026-07-22T18:49:16.034Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-770

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