CVE-2026-8784

EUVD-2026-30728
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.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.2 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Common Weakness Enumeration
References
https://github.com/npitre/cramfs-tools/
https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f
https://github.com/npitre/cramfs-tools/issues/13
https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583
https://vuldb.com/submit/811897
https://vuldb.com/vuln/364408
https://vuldb.com/vuln/364408/cti