{"id":"CVE-2026-29042","aliases":["GHSA-95fj-3w7g-4r27","GO-2026-4598"],"url":"https://o3.security/vulnerability/CVE-2026-29042","summary":"Nuclio Shell Runtime Command Injection Leading to Privilege Escalation","details":"Nuclio is a \"Serverless\" framework for Real-Time Events and Data Processing. Prior to version 1.15.20, the Nuclio Shell Runtime component contains a command injection vulnerability in how it processes user-supplied arguments. When a function is invoked via HTTP, the runtime reads the X-Nuclio-Arguments header and directly incorporates its value into shell commands without any validation or sanitization. This issue has been patched in version 1.15.20.","published":"2026-03-06T06:57:11.332Z","modified":"2026-07-31T18:30:59.440957655Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/nuclio/nuclio","fixedVersion":"1.15.20"}],"fix":{"url":"https://github.com/nuclio/nuclio/commit/5352d7e16cf92f4350a2f8d806c4b80b626b5c5a","label":"nuclio/nuclio@5352d7e"},"references":[{"type":"WEB","url":"https://github.com/nuclio/nuclio/releases/tag/1.15.20"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29042.json"},{"type":"ADVISORY","url":"https://github.com/nuclio/nuclio/security/advisories/GHSA-95fj-3w7g-4r27"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29042"},{"type":"FIX","url":"https://github.com/nuclio/nuclio/commit/5352d7e16cf92f4350a2f8d806c4b80b626b5c5a"},{"type":"FIX","url":"https://github.com/nuclio/nuclio/pull/4030"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-31T18:30:59.440957655Z"}}