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Vulnerability details: VCID-f86r-a3zm-3bcd
Vulnerability ID VCID-f86r-a3zm-3bcd
Aliases CVE-2026-35354
GHSA-x4mc-mqm7-gg39
Summary A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the mv utility of uutils coreutils during cross-device moves. The extended attribute (xattr) preservation logic uses multiple path-based system calls that perform fresh path-to-inode lookups for each operation. A local attacker with write access to the directory can exploit this race to swap files between calls, causing the destination file to receive an inconsistent mix of security xattrs, such as SELinux labels or file capabilities.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
System Score Found at
epss 0.00013 https://api.first.org/data/v1/epss?cve=CVE-2026-35354
epss 0.00013 https://api.first.org/data/v1/epss?cve=CVE-2026-35354
epss 0.00013 https://api.first.org/data/v1/epss?cve=CVE-2026-35354
epss 0.00013 https://api.first.org/data/v1/epss?cve=CVE-2026-35354
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-x4mc-mqm7-gg39
cvssv3.1 4.7 https://github.com/uutils/coreutils
generic_textual MODERATE https://github.com/uutils/coreutils
cvssv3.1 4.7 https://github.com/uutils/coreutils/issues/10014
generic_textual MODERATE https://github.com/uutils/coreutils/issues/10014
ssvc Track https://github.com/uutils/coreutils/issues/10014
cvssv3.1 4.7 https://nvd.nist.gov/vuln/detail/CVE-2026-35354
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-35354
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-35354
https://github.com/uutils/coreutils
https://nvd.nist.gov/vuln/detail/CVE-2026-35354
10014 https://github.com/uutils/coreutils/issues/10014
1136043 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136043
GHSA-x4mc-mqm7-gg39 https://github.com/advisories/GHSA-x4mc-mqm7-gg39
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/uutils/coreutils
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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high

none

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unchanged

changed

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none

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low

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high

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Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/uutils/coreutils/issues/10014
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-22T18:02:52Z/ Found at https://github.com/uutils/coreutils/issues/10014
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-35354
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.02333
EPSS Score 0.00013
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:44:57.712163+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/35xxx/CVE-2026-35354.json 38.6.0