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CVE-2026-59676— Local File Deletion Attack Vector in rm_rf() in seunshare

Quick assessment

Affected
SELinuxProject selinux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

selinuxproject selinux是selinuxproject组织的一款安全增强型操作系统模块。 selinuxproject selinux 3.10及之前版本存在竞争条件问题漏洞，该漏洞源于Time-of-check Time-of-use (TOCTOU)竞争条件问题，可能导致用户在unconfined SELinux域中调用seunshare时删除任意根所有文件。

CVSS 5.8 · Medium EPSS 0.09% · P0

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
SELinuxProject selinux ≤ 3.10 affected
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I. Basic Information for CVE-2026-59676

Vulnerability Information
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Vulnerability Title
Local File Deletion Attack Vector in rm_rf() in seunshare
Source: CVE Program / CVE List V5
Vulnerability Description
A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
selinuxproject selinux 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
selinuxproject selinux是selinuxproject组织的一款安全增强型操作系统模块。 selinuxproject selinux 3.10及之前版本存在竞争条件问题漏洞，该漏洞源于Time-of-check Time-of-use (TOCTOU)竞争条件问题，可能导致用户在unconfined SELinux域中调用seunshare时删除任意根所有文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SELinuxProject selinux 0 ~ 3.10 -

II. Public POCs for CVE-2026-59676

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III. Intelligence Information for CVE-2026-59676

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Vendor Advisories for CVE-2026-59676 (2)

IV. Related Vulnerabilities

Same product: selinux
Same vendor: SELinuxProject
Same weakness: CWE-367

V. Comments for CVE-2026-59676

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