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{"analysis": {"en": {"generated_at": "2026-04-22T18:10:04.194515+00:00", "value": {"mitigation_remediation": ["Update uutils coreutils to the latest release once a fixed cp implementation is available. ", "Restrict write permissions on directories subject to cp operations so that only trusted users can modify files during copying. ", "Run cp under the lowest privilege level that satisfies the use case, avoiding root or other privileged contexts when possible. ", "If an updated binary is not available, employ a wrapper that opens source files with the O_NOFOLLOW flag or use the operating system\u2019s cp command, which enforces the no\u2011dereference behavior."], "summary": {"action": "Apply Update", "impact": "Information Disclosure"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Uutils coreutils product, specifically the cp utility. No specific version numbers are provided in the advisory, so all releases that include cp may be vulnerable until a patch is released.", "description_and_impact": "A Time\u2011of\u2011Check to Time\u2011of\u2011Use flaw in the cp command of uutils coreutils allows an attacker to bypass the no\u2011dereference intent by replacing a regular file with a symbolic link between the verification step and the open operation. The utility checks for a symlink using path\u2011based metadata, then opens the target without the O_NOFOLLOW flag. An attacker who can write to the same location during the window can swap the file, causing a privileged copy process to read and write the contents of arbitrary sensitive files into an attacker\u2011controlled destination, exposing confidential data.", "risk_and_exploitability": "The CVSS score is 4.7, indicating a moderate severity. No EPSS score is available, so the exploit probability is unknown; the vulnerability is not listed in the CISA KEV catalog. The most likely attack vector requires the attacker to have concurrent write access to the file or directory being copied and the ability to run the cp command with elevated privileges. Marked as a potential information\u2011disclosure risk, it is best to patch or mitigate promptly. "}}}}, "created": "2026-04-22T18:15:15.483590+00:00", "updated": "2026-04-22T18:15:15.483601+00:00", "vendors": []}