What is CVE-2026-63044?

CVE-2026-63044 is a medium-severity vulnerability in Apache Inlong, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-08-20.

How severe is CVE-2026-63044?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in Apache Inlong

CVE-2026-63044

Server-Side Request Forgery (SSRF) vulnerability in Apache InLong. Any authenticated user (no admin role required) can cause the InLong Manager server to make outbound HTTP requests or TCP connections to arbitrary internal hosts and ports. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/12130 .

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-08-20 · last modified 2026-08-27.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.9th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

lists.apache.org/thread/b3rtzssd8hdk0dyq4y6mpdx6jj5ro4g6 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-63044?: CVE-2026-63044 is a medium-severity vulnerability in Apache Inlong, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-08-20.
How severe is CVE-2026-63044?: Medium severity. CVSS v3 base score is 5.4 out of 10.