What is CVE-2023-27603?

CVE-2023-27603 is a critical-severity vulnerability in Apache Linkis, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-04-10.

How severe is CVE-2023-27603?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Apache Linkis

CVE-2023-27603

In Apache Linkis <=1.3.1, due to the Manager module engineConn material upload does not check the zip path, This is a Zip Slip issue, which will lead to a potential RCE vulnerability. We recommend users upgrade the version of Linkis to version 1.3.2.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.9th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Apache Linkis
Apache Software Foundation Linkis — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

lists.apache.org/thread/6n1vlvnyn441rm02zdqc0wnpckj8ltn8 (Vendor Advisory, mailing-list, vendor-advisory, Mailing List)
www.openwall.com/lists/oss-security/2023/04/10/2 (Mailing List)

Frequently asked questions

What is CVE-2023-27603?: CVE-2023-27603 is a critical-severity vulnerability in Apache Linkis, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-04-10.
How severe is CVE-2023-27603?: Critical severity. CVSS v3 base score is 9.8 out of 10.