CVE-2025-27526

Deserialization of Untrusted Data vulnerability in Apache InLong.

This issue affects Apache InLong: from 1.13.0 through 2.1.0. This vulnerability which can lead to JDBC Vulnerability URLEncdoe and backspace bypass. Users are advised to upgrade to Apache InLongs 2.2.0 or cherry-pick [1] to solve it.

[1]  https://github.com/apache/inlong/pull/11747

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Potential Mitigations

• Make fields transient to protect them from deserialization.
• An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/586.html

References

• https://github.com/apache/inlong/pull/11747
• https://lists.apache.org/thread/4t4sqscm7xdqn883dyjy40qk6ncf26xf
• http://www.openwall.com/lists/oss-security/2025/05/28/1