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Vulnerability · Published May 18, 2026 · Assigned by VulDB

CVE-2026-8784npitre cramfs-tools cramfsck.c change_file_status symlink

Medium 4.2

In plain English

A medium-severity security flaw in cramfs-tools from npitre. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)4.2Medium
Exploit odds (30 days)0.2%top 95.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
npitre cramfs-tools 2.02.12.2

Weakness: CWE-61, CWE-59 · Vector: 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

References