#VU105109 Deserialization of untrusted data in Apache InLong - CVE-2025-27531

Vulnerability identifier: #VU105109

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-27531

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache InLong
Server applications / Other server solutions

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to read arbitrary files on the system.

The vulnerability exists due to insecure input validation when processing serialized data in JDBC, which leads to bypass by double writing the parameters. A remote user can pass specially crafted data to the application and read arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache InLong: 1.13.0 - 2.0.0

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External links
https://lists.apache.org/thread/rtx3kmoq2td4kl019y8q8fpztw00ffh7

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.