What is CVE-2026-107174?

CVE-2026-107174 is a medium-severity vulnerability in Red Hat Openshift Serverless, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.4/10. Published 2026-10-07.

How severe is CVE-2026-107174?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Red Hat Openshift Serverless

CVE-2026-107174

A flaw was found in source-to-image. When unpacking archive files, the application fails to properly sanitize symbolic links pointing to absolute file paths. An attacker who supplies a malicious builder image can exploit this vulnerability by embedding links pointing outside the extraction directory. This allows the attacker to bypass sandbox boundaries, potentially leading to unauthorized information disclosure or file modification on the host system.

Published 2026-10-07 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-61 — UNIX Symbolic Link (Symlink) Following

References

access.redhat.com/security/cve/CVE-2026-107174 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-107174?: CVE-2026-107174 is a medium-severity vulnerability in Red Hat Openshift Serverless, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.4/10. Published 2026-10-07.
How severe is CVE-2026-107174?: Medium severity. CVSS v3 base score is 6.4 out of 10.