CVE-2026-35363
rm -rf . is correctly refused, but clean_trailing_slashes normalizes ./// to ./ while path_is_current_or_parent_directory only matches ./.. (and /.//..), not ./ or ../. So rm -rf ./ recursively deletes the directory's contents and then prints a misleading cannot remove './': Invalid input.
Impact: all files/subdirectories in the current directory are silently deleted; the misleading error makes users miss the recovery window. Recommendation: handle trailing-slash variants in path_is_current_or_parent_directory.
Remediation: Acknowledged by Canonical; fixed in commit d0e5af23.
_Reported by Zellic in the *uutils coreutils Program Security Assessment* (prepared for Canonical, Jan 20 2026), audited commit 3a07ffc5a9bd4c283e75afa548ba1f1957bad242. Finding 3.60. Credit: Zellic._
_Upstream tracking issue: https://github.com/uutils/coreutils/issues/9749 · CVE-2026-35363_
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Exploitation outlook
- Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (1)
External references
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