CVE-2026-8784

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.

CVSS v4.0

1.8 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

4.2 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

4.0 MEDIUMAV:L/AC:L/Au:M/C:P/I:P/A:P

EPSS

0.16% chance of exploitation in the next 30 days, 5th percentile

Published

2026-05-18

Proof-of-concept exploits (1)

• npitre/cramfs-tools/issues/13

References

• CVE Record
• NVD entry

Related

• CVE-2026-8274
• CVE-2026-8783
• CVE-2026-8785
• CVE-2026-8782
• CVE-2026-8786
• CVE-2026-8781