{"id":"CVE-2026-117558","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-117558","generatedAt":"2026-10-28T01:12:36.999Z","title":"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.","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.","published":"2026-10-27T14:16:38.000Z","lastModified":"2026-10-27T16:04:23.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.5,"severity":"HIGH","vector":"CVSS:4.0/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/M"},"cwe":["CWE-78"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unscored. Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T14:16:38.000Z","detail":{"score":"8.5","severity":"HIGH","publishedAt":"2026-10-27T14:16:37.840Z"},"summary":"New CVE, high severity (CVSS 8.5)."}],"references":[{"url":"https://github.com/ai-sdlc-framework/ai-sdlc","source":"disclosure@vulncheck.com"},{"url":"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","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ai-sdlc-framework/ai-sdlc/commit/717d7ecf068b714f65955e50fcf5cb4f9a0b5070","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ai-sdlc-framework/ai-sdlc/issues/1970","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ai-sdlc-mcp-server-through-0.31.2-command-injection-via-check-issue-and-check-pr-status","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-117558","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}