What is CVE-2026-19826?

CVE-2026-19826 is a high-severity vulnerability in Alldatacenter Alldata, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-08-14.

How severe is CVE-2026-19826?

High severity. CVSS v3 base score is 7.3 out of 10.

Deserialization in Alldatacenter Alldata

CVE-2026-19826

A vulnerability was detected in alldatacenter alldata up to 0.6.8. This affects the function Hessian2Input.readObject of the file /serialize/impl/HessianSerializer.java of the component xxl-rpc Listener. The manipulation results in deserialization. The attack may be performed from remote. The exploit is now public and may be used. The project closed the issue report as "not planned" without any further explanation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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.

Affected products

Alldatacenter Alldata — versions 0.6.0, 0.6.1, 0.6.2

Weakness classification (CWE)

References

cna@vuldb.com (product)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-19826?: CVE-2026-19826 is a high-severity vulnerability in Alldatacenter Alldata, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-08-14.
How severe is CVE-2026-19826?: High severity. CVSS v3 base score is 7.3 out of 10.