CVE-2026-19826

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

Assigner: VulDB
Reserved: 14.08.2026 Published: 14.08.2026 Updated: 14.08.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: 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
CVSS Score: 7.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 7.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CVSS Score: 7.5

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	Partial
Authentication	None	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	alldatacenter
Product	alldata
Versions	Version 0.6.0 is affected Version 0.6.1 is affected Version 0.6.2 is affected Version 0.6.3 is affected Version 0.6.4 is affected Version 0.6.5 is affected Version 0.6.6 is affected Version 0.6.7 is affected Version 0.6.8 is affected

Vendor

alldatacenter

Product

alldata

Versions

Version 0.6.0 is affected
Version 0.6.1 is affected
Version 0.6.2 is affected
Version 0.6.3 is affected
Version 0.6.4 is affected
Version 0.6.5 is affected
Version 0.6.6 is affected
Version 0.6.7 is affected
Version 0.6.8 is affected

Credits

fakebug (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types