CVE-2026-82474— Sudo through 1.9.17p2 Intercept Policy Bypass via execveat
Quick assessment
Affected
sudo-project sudo
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.
Sudo 1.9.17p2 及之前版本在基于 ptrace 的拦截模式下，未能对 系统调用应用拦截策略检查。被允许运行特定命令的用户可以通过直接调用 或通过 来执行被策略禁止的程序，从而绕过策略执行和日志记录。
Possible ATT&CK Techniques 2 AI
T1055.004 · Asynchronous Procedure Call T1548.001 · Setuid and SetgidAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| sudo-project | sudo | ≤ 1.9.17p2 |
affected |
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I. Basic Information for CVE-2026-82474
Vulnerability Information
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Vulnerability Title
Sudo through 1.9.17p2 Intercept Policy Bypass via execveat
Source: CVE Program / CVE List V5
Vulnerability Description
Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| sudo-project | sudo | 0 ~ 1.9.17p2 | - |
|
II. Public POCs for CVE-2026-82474
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-82474 (1)
Vendor Advisories for CVE-2026-82474 (1)
IV. Related Vulnerabilities
Same weakness: CWE-693
V. Comments for CVE-2026-82474
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