spaceship-prompt through 4.22.5 Terminal Escape Sequence Injection

{
  "id": "e383d9eb08524ea9e86c199277cb048e46c2906d7ce87feb6ce791b738e85bb5",
  "url": "https://osv.dev/vulnerability/CVE-2026-100867",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "spaceship-prompt through 4.22.5 Terminal Escape Sequence Injection",
    "summary": "spaceship-prompt through 4.22.5 fails to sanitize control characters from project manifest version fields before rendering them in the zsh prompt. Attackers can embed ANSI/OSC escape sequences in version fields of package manifests to manipulate terminal output, rewrite window titles, or spoof displayed text when victims enter the directory.",
    "evidence": "osv:CVE-2026-100867",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-100867",
      "aliases": [
        "CVE-2026-100867"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/spaceship-prompt/spaceship-prompt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "fd0d6653a134fe28f498eae1784fbb46d27f20f3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.22.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.22.5"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.22.5",
            "v4.22.4",
            "v4.22.3",
            "v4.22.2",
            "v4.22.1",
            "v4.22.0",
            "v4.19.2",
            "v4.19.1",
            "v4.19.0",
            "v4.17.0",
            "v4.16.2",
            "v4.16.1",
            "v4.16.0",
            "v4.15.3",
            "v4.15.2",
            "v4.15.1",
            "v4.15.0",
            "v4.14.1",
            "v4.14.0",
            "v4.13.5",
            "v4.13.4",
            "v4.13.3",
            "v4.12.0",
            "v4.11.1",
            "v4.11.0",
            "v4.10.1",
            "v3.11.0",
            "v3.10.0",
            "v3.9.1",
            "v3.9.0",
            "v3.8.2",
            "v3.8.1",
            "v3.8.0",
            "v3.7.2",
            "v3.7.1",
            "v3.7.0",
            "v3.6.0",
            "v3.5.0",
            "v3.4.1",
            "v3.3.0",
            "v3.2.0",
            "v3.1.0",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.11.0",
            "v2.10.4",
            "v2.10.3",
            "v2.10.2",
            "v2.10.1",
            "v2.10.0",
            "v2.9.0",
            "v2.8.0",
            "v2.7.3",
            "v2.7.2",
            "v2.7.1",
            "v2.7.0",
            "v2.6.2",
            "v2.6.0",
            "v2.6.1",
            "v2.5.3",
            "v2.5.2",
            "v2.5.1",
            "v2.5.0",
            "v2.4.2",
            "v2.4.1",
            "v2.4.0",
            "v2.3.1",
            "v2.3.0",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.0",
            "v2.0.1",
            "v2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100867.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.187479169Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100867.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-100867",
        "https://www.vulncheck.com/advisories/spaceship-prompt-through-4.22.5-terminal-escape-sequence-injection",
        "https://github.com/spaceship-prompt/spaceship-prompt/issues/1567",
        "https://github.com/spaceship-prompt/spaceship-prompt",
        "https://github.com/spaceship-prompt/spaceship-prompt/blob/fd0d6653a134fe28f498eae1784fbb46d27f20f3/lib/section.zsh#L100-L102",
        "https://github.com/spaceship-prompt/spaceship-prompt/blob/fd0d6653a134fe28f498eae1784fbb46d27f20f3/sections/package.zsh#L41"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-150"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100867.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-100867",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506628,
  "published_at": "2026-09-27T13:09:52.715+00:00"
}