{"url":"http://public2.vulnerablecode.io/api/packages/381894?format=json","purl":"pkg:npm/%40backstage/plugin-scaffolder-backend@1.15.0","type":"npm","namespace":"@backstage","name":"plugin-scaffolder-backend","version":"1.15.0","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":"0.15.9","latest_non_vulnerable_version":"3.1.5","affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/137887?format=json","vulnerability_id":"VCID-kn33-aucx-bucn","summary":"Backstage is an open platform for building developer portals. The Backstage scaffolder-backend plugin uses a templating library that requires sandbox, as it by design allows for code injection. The library used for this sandbox so far has been `vm2`, but in light of several past vulnerabilities and existing vulnerabilities  that may not have a fix, the plugin has switched to using a different sandbox library. A malicious actor with write access to a registered scaffolder template could manipulate the template in a way that allows for remote code execution on the scaffolder-backend instance. This was only exploitable in the template YAML definition itself and not by user input data. This is vulnerability is fixed in version 1.15.0 of `@backstage/plugin-scaffolder-backend`.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-35926","reference_id":"","reference_type":"","scores":[{"value":"0.09147","scoring_system":"epss","scoring_elements":"0.92866","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-35926"},{"reference_url":"https://github.com/backstage/backstage","reference_id":"","reference_type":"","scores":[{"value":"8.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/backstage/backstage"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35926","reference_id":"","reference_type":"","scores":[{"value":"8.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35926"},{"reference_url":"https://github.com/backstage/backstage/commit/fb7375507d56faedcb7bb3665480070593c8949a","reference_id":"fb7375507d56faedcb7bb3665480070593c8949a","reference_type":"","scores":[{"value":"8.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-12-05T17:47:53Z/"}],"url":"https://github.com/backstage/backstage/commit/fb7375507d56faedcb7bb3665480070593c8949a"},{"reference_url":"https://github.com/backstage/backstage/security/advisories/GHSA-wg6p-jmpc-xjmr","reference_id":"GHSA-wg6p-jmpc-xjmr","reference_type":"","scores":[{"value":"8.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-12-05T17:47:53Z/"}],"url":"https://github.com/backstage/backstage/security/advisories/GHSA-wg6p-jmpc-xjmr"},{"reference_url":"https://github.com/backstage/backstage/releases/tag/v1.15.0","reference_id":"v1.15.0","reference_type":"","scores":[{"value":"8.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-12-05T17:47:53Z/"}],"url":"https://github.com/backstage/backstage/releases/tag/v1.15.0"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/381894?format=json","purl":"pkg:npm/%40backstage/plugin-scaffolder-backend@1.15.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@1.15.0"}],"aliases":["CVE-2023-35926","GHSA-wg6p-jmpc-xjmr"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-kn33-aucx-bucn"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@1.15.0"}