Home/CVE/A security vulnerability has been detected in npitre cramfs-tools up to 2.1. Affected is the function do_directory of th
CVE

CVE-2026-8274

A security vulnerability has been detected in npitre cramfs-tools up to 2.1. Affected is the function do_directory of th

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.

MEDIUM · CVSS 5.3 EPSS 9e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2026 · 05:16 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/npitre/cramfs-tools/
https://github.com/npitre/cramfs-tools/commit/2fc492747115b24d8a07eddd27a2d45229cb273c
https://github.com/npitre/cramfs-tools/issues/12
https://github.com/npitre/cramfs-tools/issues/12#issue-4307511739
https://github.com/npitre/cramfs-tools/releases/tag/v2.2
https://vuldb.com/submit/810864
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