CVE-2026-8784 MEDIUM

CVE-2026-8784: npitre cramfs-tools cramfsck.c change_file_status symlink

Vendor Npitre
Product cramfs-tools
Weakness CWE-61
Published May 18, 2026
Last update May 18, 2026

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.

Key dates

02Disclosure timeline

May 18, 2026 CVE published
May 18, 2026 Record updated