What is CVE-2026-63043?

CVE-2026-63043 is a high-severity vulnerability in Apache Inlong, classified under Relative Path Traversal. CVSS score: 7.5/10. Published 2026-08-20.

How severe is CVE-2026-63043?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Apache Inlong

CVE-2026-63043

Relative Path Traversal vulnerability in Apache InLong. Arbitrary file read from the Agent host filesystem. 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/12146 .

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.4th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

lists.apache.org/thread/0ohn861tzd9g7nsosd6oz3of6dvhvqnk (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-63043?: CVE-2026-63043 is a high-severity vulnerability in Apache Inlong, classified under Relative Path Traversal. CVSS score: 7.5/10. Published 2026-08-20.
How severe is CVE-2026-63043?: High severity. CVSS v3 base score is 7.5 out of 10.