CVE-2026-19826

HIGH 7.3

alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502 CWE-20
Vendor	alldatacenter
Product	alldata
Published	Aug 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

alldatacenter / alldata

0.6.0 0.6.1 0.6.2 0.6.3 0.6.4 0.6.5 0.6.6 0.6.7 0.6.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/389959 vuldb.com: https://vuldb.com/vuln/389959/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19826 vuldb.com: https://vuldb.com/submit/870236 github.com: https://github.com/alldatacenter/alldata/issues/832 github.com: https://github.com/alldatacenter/alldata/

Credits

🔍 fakebug (VulDB User) VulDB CNA Team