RCE in Ai-Sdlc-Framework Ai-Sdlc
CVE-2026-117558
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/ai-sdlc-framework/ai-sdlc/issues/1970 (issue-tracking)
- github.com/ai-sdlc-framework/ai-sdlc (product)
- github.com/ai-sdlc-framework/ai-sdlc/commit/717d7ecf068b714f65955e50fcf5cb4f9a0… (patch)
- github.com/ai-sdlc-framework/ai-sdlc/blob/ai-sdlc-plugin-v0.31.2/ai-sdlc-plugin… (technical-description)
- www.vulncheck.com/advisories/ai-sdlc-mcp-server-through-0.31.2-command-injectio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-117558?
- CVE-2026-117558 is a high-severity vulnerability in Ai-Sdlc-Framework Ai-Sdlc, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-10-27.
- How severe is CVE-2026-117558?
- High severity. CVSS v3 base score is 7.8 out of 10.