What is CVE-2026-63016?

CVE-2026-63016 is a medium-severity vulnerability in Apache Inlong, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-08-20.

How severe is CVE-2026-63016?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Apache Inlong

CVE-2026-63016

Uncontrolled Resource Consumption vulnerability in Apache InLong. Users could affect operational configuration or allow upload of non-official packages. 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/12095 https://github.com/apache/inlong/pull/11732

Vulnerability class: DoS (Denial of Service)

Published 2026-08-20 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% 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: 0.006 · change: +0.002

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

lists.apache.org/thread/jmsn2slhqmmw7kt24zqcnw6tyjnrcykp (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-63016?: CVE-2026-63016 is a medium-severity vulnerability in Apache Inlong, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-08-20.
How severe is CVE-2026-63016?: Medium severity. CVSS v3 base score is 5.3 out of 10.