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 v3 4.2 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:M/C:P/I:P/A:P

Exploitability : 2.5 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

No configuration.

History

18 May 2026, 04:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-18 04:16

Updated : 2026-05-18 19:22

NVD link : CVE-2026-8784

Mitre link : CVE-2026-8784

CVE.ORG link : CVE-2026-8784

JSON object : View

Products Affected

No product.

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

CWE-61

UNIX Symbolic Link (Symlink) Following

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