CVE-2026-2952CRITICAL 9.8EPSS p90.3%

CVE-2026-2952CVE-2026-2952

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.52% probability of exploitation · percentile 90.3% · 2026-06-19T12:03:05Z
Published2026-02-22
Last modified2026-04-29

Underlying weaknesses· 2

CWE-77CWE-78

References

  1. https://github.com/CVE-Hunter-Leo/CVE/issues/10
  2. https://vuldb.com/?ctiid.347318
  3. https://vuldb.com/?id.347318
  4. https://vuldb.com/?submit.755166

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.