---
id: CVE-2025-15222
title: A vulnerability has been found in Dromara Sa-Token up to 1.44.0
summary: >-
  A vulnerability has been found in Dromara Sa-Token up to 1.44.0. This issue
  affects the function ObjectInputStream.readObject of the file
  SaSerializerTemplateForJdkUseBase64.java. Such manipulation leads to
  deserialization. The attack ca…
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-20
  - CWE-502
published: '2025-12-30'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T17:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15222'
references:
  - url: 'https://github.com/Yohane-Mashiro/satoken-deserialization'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.338607'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.338607'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.717703'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00261
epssPercentile: 0.1629
ingestedAt: '2026-10-05T17:27:45.021Z'
---

## Overview

A vulnerability has been found in Dromara Sa-Token up to 1.44.0. This issue affects the function ObjectInputStream.readObject of the file SaSerializerTemplateForJdkUseBase64.java. Such manipulation leads to deserialization. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.