RCE in Vaelsys
CVE-2026-2952
A flaw has been found in Vaelsys 4.1.0. This vulnerability affects unknown code of the file /tree/tree_server.php of the component HTTP POST Request Handler. This manipulation of the argument xajaxargs causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.073 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.074 · newest: 0.073 · change: -0.001
Affected products
- Vaelsys — versions 4.1.0
- Vaelsys — versions 4.1.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/CVE-Hunter-Leo/CVE/issues/10 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2026-2952?
- CVE-2026-2952 is a high-severity vulnerability in Vaelsys, classified under Command Injection. CVSS score: 7.3/10. Published 2026-02-22.
- How severe is CVE-2026-2952?
- High severity. CVSS v3 base score is 7.3 out of 10.