CVE-2026-2898 funadmin Backend Endpoint AuthCloudService.php getMember deserialization
Remote attackers can exploit unsafe deserialization in the getMember function to execute arbitrary code on the funadmin backend.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-2898?
CVE-2026-2898 is a medium-severity unsafe deserialization vulnerability in funadmin, published on 22 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in funadmin up to 7.1.0-rc4. This issue affects the function getMember of the file app/common/service/AuthCloudService.php of the component Backend Endpoint. The manipulation of the argument cloud_account results in deserialization. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-2898?
2 open source packages ship an affected version, including funadmin/funadmin. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
funadmin/funadmin Packagist | All versions to 7.1.0-rc4 | None |
funadmin/funadmin Packagist | All versions to 7.1.0-rc4 | None |
Products include Funadmin Funadmin.
How do I fix CVE-2026-2898?
No fix has been published for CVE-2026-2898 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-2898 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2898 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in funadmin
Sources
Also known as GHSA-gcxp-xg77-798j.