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High, CVSS 8.1

SOFA Hessian Remote Command Execution (RCE) Vulnerability

CVE-2024-46983GHSA-c459-2m73-67hj

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (com.alipay.sofa:hessian 3.5.5), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
8.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U · score source
EPSS
  • CVE-2024-46983: 0.68% estimated exploitation activity in the next 30 days; percentile 52.38 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Impact SOFA Hessian protocol uses a blacklist mechanism to restrict deserialization of potentially dangerous classes for security protection. But there is a gadget chain that can bypass the SOFA Hessian blacklist protection mechanism, and this gadget chain only relies on JDK and does not rely on any third-party components. Patches Fixed this issue by update blacklist, users can upgrade to sofahessian version 3.5.5 to avoid this issue. Workarounds You can maintain a blacklist yourself in this directory external/serialize.blacklist.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-c459-2m73-67hj

Agent brief

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# Patch Next advisory brief: CVE-2024-46983

Advisory: SOFA Hessian Remote Command Execution (RCE) Vulnerability
IDs: CVE-2024-46983, GHSA-c459-2m73-67hj
Record: https://patchnext.com/advisories/cve-2024-46983 (revision 1, source checked 26 Oct 2026, 16:31 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: com.alipay.sofa:hessian 3.5.5. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven com.alipay.sofa:hessian: affected < 3.5.5; fixed in 3.5.5

## Suggested inspection (read-only)
- Maven com.alipay.sofa:hessian: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on com.alipay.sofa:hessian.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-c459-2m73-67hj (GitHub-reviewed advisory GHSA-c459-2m73-67hj lists affected ranges: Maven com.alipay.sofa:hessian >=0 <3.5.5)

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