CVE-2026-19826alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.3 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-502, CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
alldatacenter alldata alldata: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; and 1 more ranges | CNA record |
References
- https://vuldb.com/vuln/389959vdb-entry, technical-description
- https://vuldb.com/vuln/389959/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-19826third-party-advisory
- https://vuldb.com/submit/870236third-party-advisory
- https://github.com/alldatacenter/alldata/issues/832exploit, issue-tracking
- https://github.com/alldatacenter/alldata/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.