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CVE-2026-9279— Shell command injection in Logseq

Quick assessment

Affected
logseq logseq
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.

Logseq是Logseq开源的一个知识管理和协作平台。 Logseq v0.10.15版本存在操作系统命令注入漏洞，该漏洞源于IPC处理程序允许渲染器进程执行shell命令，且参数拼接时未充分过滤shell元字符，可能导致攻击者通过JavaScript执行绕过白名单并执行任意shell命令，导致远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.27% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
logseq logseq ≤ 0.10.15 affected
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I. Basic Information for CVE-2026-9279

Vulnerability Information
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Vulnerability Title
Shell command injection in Logseq
Source: CVE Program / CVE List V5
Vulnerability Description
Logseq exposes an IPC handler that allows the renderer process to execute shell commands. While an allowlist restricts the command name (e.g. `git`, `pandoc`, `grep`), the argument string is concatenated with the command and passed to `child_process.spawn` with the `shell: true` option, allowing shell metacharacters in the arguments to bypass the allowlist. An attacker with JavaScript execution in the renderer (e.g. via XSS or a malicious plugin) can execute arbitrary shell commands with the privileges of the Logseq process, leading to remote code execution on the host. While only version v0.10.15 was tested and confirmed as vulnerable, status of other versions is unknown since this issue was not addressed by a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Logseq 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Logseq是Logseq开源的一个知识管理和协作平台。 Logseq v0.10.15版本存在操作系统命令注入漏洞，该漏洞源于IPC处理程序允许渲染器进程执行shell命令，且参数拼接时未充分过滤shell元字符，可能导致攻击者通过JavaScript执行绕过白名单并执行任意shell命令，导致远程代码执行。
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
logseq logseq 0 ~ 0.10.15 -

II. Public POCs for CVE-2026-9279

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III. Intelligence Information for CVE-2026-9279

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Security Blog Posts for CVE-2026-9279 (1)

Same Patch Batch · logseq · 2026-06-09 · 4 CVEs total

CVE-2026-47901 Iframe escape by plugins in Logseq
CVE-2026-47899 Arbitrary File Read, Write, Rename, and Delete in Logseq
CVE-2026-47900 Stored XSS via Unsanitized Plugin Metadata in Logseq

IV. Related Vulnerabilities

Same product: logseq
Same vendor: logseq
Same weakness: CWE-78