CVE-2026-115207
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Arbitrary File Creation in GNU patch via Absolute Path Manipulation
Vulnerability report for CVE-2026-115207, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-22
Last updated on: 2026-10-22
Assigner: redhat-SADP
Description
Description
A flaw was found in GNU patch. An attacker can achieve arbitrary file creation outside the intended working directory by enticing a user or automated workflow to apply a specially crafted patch file. Due to missing validation during automatic patch reversal, absolute file paths in patch headers are accepted rather than rejected. Consequently, the utility can create files in arbitrary locations with the permissions of the executing user.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | * |
| Red Hat | Red Hat Enterprise Linux 7 | * |
| Red Hat | Red Hat Enterprise Linux 8 | * |
| Red Hat | Red Hat Enterprise Linux 9 | * |
| Red Hat | Red Hat Hardened Images | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
