CVE-2026-107174 Source-to-image: source-to-image: security boundary bypass via absolute symbolic link extraction
Attackers can bypass sandbox boundaries via malicious symbolic links in builder images, leading to unauthorized file access or modification on the host.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107174?
CVE-2026-107174 is a medium-severity path traversal vulnerability in Red Hat OpenShift Serverless, published on 7 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-61
Which versions are affected by CVE-2026-107174?
How do I fix CVE-2026-107174?
No fix has been published for CVE-2026-107174 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-107174 being exploited?
There is no known exploitation of CVE-2026-107174 in the wild and no public exploit code.
Sources
Also known as GHSA-rp44-r78q-h2wp.