CVE-2026-8784

MEDIUM 4.2

npitre cramfs-tools cramfsck.c change_file_status symlink

CVSS Score

4.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-61 CWE-59
Vendor	npitre
Product	cramfs-tools
Published	May 18, 2026
Last Updated	May 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

npitre / cramfs-tools

2.0 2.1 2.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/364408 vuldb.com: https://vuldb.com/vuln/364408/cti vuldb.com: https://vuldb.com/submit/811897 github.com: https://github.com/npitre/cramfs-tools/issues/13 github.com: https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583 github.com: https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f github.com: https://github.com/npitre/cramfs-tools/

Credits

🔍 nich0las (VulDB User)