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TI-2026-16077 Aliases CVE-2026-19826GHSA-fq8p-5fjc-mw7x

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

Priority HIGH 70CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00564 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
alldatacenteralldata0.6.0; 0.6.1; 0.6.2; 0.6.3; 0.6.4; 0.6.5; 0.6.6; 0.6.7; 0.6.8—No fix listedCNA
  • alldata Vendoralldatacenter Affected 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 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:alldata:alldata:*:*:*:*:*:*:*:*——Alldata
  • cpe:2.3:a:alldata:alldata:*:*:*:*:*:*:*:* Versions — — ·Alldata

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19826
  2. 2026-10-03 Alias added: GHSA-fq8p-5fjc-mw7x

References

Exploit 1

Other 1

  • TI-2026-75399 Unauthenticated JDBC injection in AllData exposes host files CVSS 4.0HIGH 8.7
  • TI-2026-16078 alldatacenter alldata logDetailCat Endpoint JobLogController.java FileInputStream path traversal CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences