What is CVE-2025-27528?

CVE-2025-27528 is a critical-severity vulnerability in Apache Inlong, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-05-28.

How severe is CVE-2025-27528?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2025-27528 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Apache Inlong

CVE-2025-27528

Deserialization of Untrusted Data vulnerability in Apache InLong. This issue affects Apache InLong: from 1.13.0 through 2.1.0. This vulnerability allows attackers to bypass the security mechanisms of InLong JDBC and leads to arbitrary file reading. 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

Vulnerability class: Insecure Deserialization

EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Apache Inlong
Apache Software Foundation Inlong — versions 1.13.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

security@apache.org (vendor-advisory, Vendor Advisory)
security@apache.org (patch, Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-27528?: CVE-2025-27528 is a critical-severity vulnerability in Apache Inlong, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-05-28.
How severe is CVE-2025-27528?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-27528 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.