npitre cramfs-tools Directory cramfsck.c do_directory path traversal
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A security vulnerability has been detected in npitre cramfs-tools up to 2.1. Affected is the function do_directory of the file cramfsck.c of the component Directory Handler. Such manipulation leads to path traversal. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2 is able to address this issue. The name of the patch is 2fc492747115b24d8a07eddd27a2d45229cb273c. Upgrading the affected component is recommended.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA cramfs-tools (npitre) Fixed in 2.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8274
- 2026-10-03 Alias added: GHSA-2x6r-r8j5-prxm
References
Patch 2
More npitre vulnerabilities
- TI-2026-07722 npitre cramfs-tools cramfsck.c change_file_status symlink CVSS 4.0MEDIUM 4.6
Sources
- CVE-2026-8274 · CVE Program
- CVE-2026-8274 · NVD
- FIRST EPSS
- GHSA-2x6r-r8j5-prxm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences