CVE-2025-27526 Apache InLong: JDBC Vulnerability For URLEncode and backspace bypass

What is CVE-2025-27526?

CVE-2025-27526 is a medium-severity unsafe deserialization vulnerability in Apache InLong, published on 28 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 InLong's 2.2.0 or cherry-pick [1] to solve it.

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

Weakness: CWE-502

Which versions are affected by CVE-2025-27526?

2 open source packages ship an affected version, including org.apache.inlong:manager-pojo. It affects 1 product.

Products include Apache Inlong.

How do I fix CVE-2025-27526?

Upgrade org.apache.inlong:manager-pojo to 2.2.0 or later.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-27526 being exploited?

There is no known exploitation of CVE-2025-27526 in the wild and no public exploit code.

Other vulnerabilities in Apache InLong

• CVE-2026-63037 Apache InLong: Unauthenticated SQL injection in Manager OpenAPI audit alert rule list endpoint Critical 9.8
• CVE-2026-63038 Apache InLong: SQL Injection via String Concatenation Vulnerability Report Critical 9.8
• CVE-2026-63039 Apache InLong: SQL Injection via Unvalidated MyBatis Dollar-Sign Interpolation in AuditAlertRuleService Critical 9.8
• CVE-2025-27531 Apache InLong: An arbitrary file read vulnerability for JDBC Critical 9.8
• CVE-2024-26579 Apache Inlong JDBC Vulnerability Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-532x-j9r7-8f73.