CVE-2026-117558：ai-sdlc MCP Server 0.31.2 版命令注入漏洞

The ai-sdlc plugin MCP server through 0.31.2 contains an OS command injection vulnerability that allows attackers to execute commands by supplying shell metacharacters in the repo argument. The unvalidated repo value is interpolated into gh issue view or gh pr view commands run via execSync(), letting prompt-injected agents execute commands as the MCP server user.

Impact

Affected Products

The following products are affected by CVE-2026-117558 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-117558.

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-117558 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-117558 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-117558 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-117558 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

• New CVE Received by [email protected]

  十月. 27, 2026

  Action	Type	Old Value	New Value
  Added	Description		The ai-sdlc plugin MCP server through 0.31.2 contains an OS command injection vulnerability that allows attackers to execute commands by supplying shell metacharacters in the repo argument. The unvalidated repo value is interpolated into gh issue view or gh pr view commands run via execSync(), letting prompt-injected agents execute commands as the MCP server user.
  Added	CVSS V4.0		AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  Added	CVSS V3.1		AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  Added	CWE		CWE-78
  Added	Affected		New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/117xxx/CVE-2026-117558.json">CVE-2026-117558</a>
  Added	Reference		https://github.com/ai-sdlc-framework/ai-sdlc
  Added	Reference		https://github.com/ai-sdlc-framework/ai-sdlc/blob/ai-sdlc-plugin-v0.31.2/ai-sdlc-plugin/mcp-server/src/tools/check-issue.ts#L15-L19
  Added	Reference		https://github.com/ai-sdlc-framework/ai-sdlc/commit/717d7ecf068b714f65955e50fcf5cb4f9a0b5070
  Added	Reference		https://github.com/ai-sdlc-framework/ai-sdlc/issues/1970
  Added	Reference		https://www.vulncheck.com/advisories/ai-sdlc-mcp-server-through-0.31.2-command-injection-via-check-issue-and-check-pr-status

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.