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Description

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.

PUBLISHED Reserved 2026-05-10 | Published 2026-05-11 | Updated 2026-05-11 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Path Traversal

Product status

2.0
affected

2.1
affected

2.2
unaffected

Timeline

2026-05-10:Advisory disclosed
2026-05-10:VulDB entry created
2026-05-10:VulDB entry last update

Credits

nich0las (VulDB User) reporter

References

vuldb.com/vuln/362571 (VDB-362571 | npitre cramfs-tools Directory cramfsck.c do_directory path traversal) vdb-entry technical-description

vuldb.com/vuln/362571/cti (VDB-362571 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/810864 (Submit #810864 | GNU cramfs-tools V2.1 Improper Limitation of a Pathname to a Restricted Directory) third-party-advisory

github.com/npitre/cramfs-tools/issues/12 issue-tracking

github.com/npitre/cramfs-tools/issues/12 exploit issue-tracking

github.com/...ommit/2fc492747115b24d8a07eddd27a2d45229cb273c patch

github.com/npitre/cramfs-tools/releases/tag/v2.2 patch

github.com/npitre/cramfs-tools/ product

cve.org (CVE-2026-8274)

nvd.nist.gov (CVE-2026-8274)

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