CVE-2026-65650
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar...
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Record
CVE-2026-65650- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2026-47759
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Record
EUVD-2026-47759- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7983-35fr-8qwm
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar...
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Record
GHSA-7983-35fr-8qwm- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Record
CVE-2026-65650- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.
- Record
CVE-2026-65650- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | swornim619/CVE-2026-65650 | 2026-07-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65650 is a medium vulnerability (CVSS 4.3) in Elgg, published July 22, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.
References
github.com/Elgg/Elgg/compare/7.0.0-rc.1...7.0.0
nvd.nist.gov/vuln/detail/CVE-2026-65650