Vulnerability · Published Dec 30, 2025 · Assigned by VulDB

CVE-2025-15222Dromara Sa-Token SaSerializerTemplateForJdkUseBase64.java ObjectInputStream.readObject deserialization

Medium 5.0

In plain English

A medium-severity unsafe deserialization in Sa-Token from Dromara. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium

Exploit odds (30 days)0.3%top 82.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Dromara	Sa-Token	1.01.11.21.31.41.51.61.7

Weakness: CWE-502, CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-338607 | Dromara Sa-Token SaSerializerTemplateForJdkUseBase64.java ObjectInputStream.readObject deserialization vdb-entry, technical-description
VDB-338607 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #717703 | https://github.com/dromara/sa-token Sa-Token <=1.44.0 Deserialization third-party-advisory
https://github.com/Yohane-Mashiro/satoken-deserialization exploit