CVE-2026-8784

npitre cramfs-tools cramfsck.c change_file_status symlink

MEDIUM
4.2
CVSS Score
Published: May 18, 2026 at 02:30 AM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorCramfs Tools

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Severity
MEDIUM4.2
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/364408
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/364408/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/811897
ExploitIssue Tracking
Source: cverecord
https://github.com/npitre/cramfs-tools/issues/13

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.2MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-61CWE-59

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