High severity7.8NVD Advisory· Published Oct 27, 2026· Updated Oct 27, 2026
CVE-2026-117558
CVE-2026-117558
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=0.31.2
Patches
Vulnerability mechanics
References
4- github.com/ai-sdlc-framework/ai-sdlc/blob/ai-sdlc-plugin-v0.31.2/ai-sdlc-plugin/mcp-server/src/tools/check-issue.tsnvd
- github.com/ai-sdlc-framework/ai-sdlc/commit/717d7ecf068b714f65955e50fcf5cb4f9a0b5070nvd
- github.com/ai-sdlc-framework/ai-sdlc/issues/1970nvd
- www.vulncheck.com/advisories/ai-sdlc-mcp-server-through-0.31.2-command-injection-via-check-issue-and-check-pr-statusnvd
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