Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/526706?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/526706?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@0.0.0-nightly-202131322627", "type": "npm", "namespace": "@backstage", "name": "plugin-scaffolder-backend", "version": "0.0.0-nightly-202131322627", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "3.1.5", "latest_non_vulnerable_version": "3.1.5", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/121486?format=api", "vulnerability_id": "VCID-1v1x-ccrc-bqea", "summary": "@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. Prior to version 2.1.1, duplicate logging of the input values in the fetch:template action in the Scaffolder meant that some of the secrets were not properly redacted. If ${{ secrets.x }} is not passed through to fetch:template there is no impact. This issue has been resolved in 2.1.1 of the scaffolder-backend plugin. A workaround for this issue involves Template Authors removing the use of ${{ secrets }} being used as an argument to fetch:template.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-55285.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-55285.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-55285", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00194", "scoring_system": "epss", "scoring_elements": "0.41206", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00194", "scoring_system": "epss", "scoring_elements": "0.41373", "published_at": "2026-06-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-55285" }, { "reference_url": "https://github.com/backstage/backstage", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55285", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55285" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388819", "reference_id": "2388819", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388819" }, { "reference_url": "https://github.com/backstage/backstage/commit/c371f6fe12371de31dca537510e6653e287cdc2e", "reference_id": "c371f6fe12371de31dca537510e6653e287cdc2e", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-15T17:49:07Z/" } ], "url": "https://github.com/backstage/backstage/commit/c371f6fe12371de31dca537510e6653e287cdc2e" }, { "reference_url": "https://github.com/advisories/GHSA-3x3q-ghcp-whf7", "reference_id": "GHSA-3x3q-ghcp-whf7", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-3x3q-ghcp-whf7" }, { "reference_url": "https://github.com/backstage/backstage/security/advisories/GHSA-3x3q-ghcp-whf7", "reference_id": "GHSA-3x3q-ghcp-whf7", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-15T17:49:07Z/" } ], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-3x3q-ghcp-whf7" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/377757?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@2.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-t9gj-dq52-a3a3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@2.1.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/824719?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@2.2.0-next.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-t9gj-dq52-a3a3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@2.2.0-next.0" } ], "aliases": [ "CVE-2025-55285", "GHSA-3x3q-ghcp-whf7" ], "risk_score": 1.4, "exploitability": "0.5", "weighted_severity": "2.7", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-1v1x-ccrc-bqea" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/74130?format=api", "vulnerability_id": "VCID-4qeh-pyrt-zfat", "summary": "Backstage is an open framework for building developer portals. Prior to version 3.1.4, a malicious scaffolder template can bypass the log redaction mechanism to exfiltrate secrets provided run through task event logs. This issue has been patched in version 3.1.4.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-29184.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.0", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-29184.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29184", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0001", "scoring_system": "epss", "scoring_elements": "0.01086", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.0001", "scoring_system": "epss", "scoring_elements": "0.01084", "published_at": "2026-06-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29184" }, { "reference_url": "https://backstage.io/docs/overview/threat-model", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://backstage.io/docs/overview/threat-model" }, { "reference_url": "https://backstage.io/docs/permissions/plugin-authors/01-setup", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://backstage.io/docs/permissions/plugin-authors/01-setup" }, { "reference_url": "https://github.com/backstage/backstage", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445468", "reference_id": "2445468", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445468" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29184", "reference_id": "CVE-2026-29184", "reference_type": "", "scores": [ { "value": "2.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29184" }, { "reference_url": "https://github.com/advisories/GHSA-8qp7-fhr9-fw53", "reference_id": "GHSA-8qp7-fhr9-fw53", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-8qp7-fhr9-fw53" }, { "reference_url": "https://github.com/backstage/backstage/security/advisories/GHSA-8qp7-fhr9-fw53", "reference_id": "GHSA-8qp7-fhr9-fw53", "reference_type": "", "scores": [ { "value": "2", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "2.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-09T20:14:42Z/" } ], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-8qp7-fhr9-fw53" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/40227?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@3.1.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-v5gp-72r8-3yd4" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@3.1.4" } ], "aliases": [ "CVE-2026-29184", "GHSA-8qp7-fhr9-fw53" ], "risk_score": 1.4, "exploitability": "0.5", "weighted_severity": "2.7", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4qeh-pyrt-zfat" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/206738?format=api", "vulnerability_id": "VCID-6jkc-3waq-j7c8", "summary": "RCE vulnerability affecting v1beta3 templates in @backstage/plugin-scaffolder-backend", "references": [ { "reference_url": "https://github.com/backstage/backstage", "reference_id": "", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage" }, { "reference_url": "https://github.com/advisories/GHSA-2g8g-63j4-9w3r", "reference_id": "GHSA-2g8g-63j4-9w3r", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-2g8g-63j4-9w3r" }, { "reference_url": "https://github.com/backstage/backstage/security/advisories/GHSA-2g8g-63j4-9w3r", "reference_id": "GHSA-2g8g-63j4-9w3r", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-2g8g-63j4-9w3r" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/18157?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@0.15.14", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1v1x-ccrc-bqea" }, { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-kn33-aucx-bucn" }, { "vulnerability": "VCID-t9gj-dq52-a3a3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@0.15.14" } ], "aliases": [ "GHSA-2g8g-63j4-9w3r", "GMS-2021-21" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-6jkc-3waq-j7c8" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/137887?format=api", "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" }, { "value": "0.09147", "scoring_system": "epss", "scoring_elements": "0.92889", "published_at": "2026-06-12T12:55:00Z" } ], "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/advisories/GHSA-wg6p-jmpc-xjmr", "reference_id": "GHSA-wg6p-jmpc-xjmr", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-wg6p-jmpc-xjmr" }, { "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": "cvssv3.1_qr", "scoring_elements": "" }, { "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=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@1.15.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1v1x-ccrc-bqea" }, { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-t9gj-dq52-a3a3" } ], "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": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-kn33-aucx-bucn" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/206735?format=api", "vulnerability_id": "VCID-m6bh-qfft-nkh1", "summary": "Path Traversal in @backstage/plugin-scaffolder-backend", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43783", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00398", "scoring_system": "epss", "scoring_elements": "0.6102", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00398", "scoring_system": "epss", "scoring_elements": "0.61125", "published_at": "2026-06-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43783" }, { "reference_url": "https://github.com/backstage/backstage", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage" }, { "reference_url": "https://github.com/backstage/backstage/commit/f9352ab606367cd9efc6ff048915c70ed3013b7f", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage/commit/f9352ab606367cd9efc6ff048915c70ed3013b7f" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43783", "reference_id": "CVE-2021-43783", "reference_type": "", "scores": [ { "value": "8.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43783" }, { "reference_url": "https://github.com/advisories/GHSA-mg3m-f475-28hv", "reference_id": "GHSA-mg3m-f475-28hv", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-mg3m-f475-28hv" }, { "reference_url": "https://github.com/backstage/backstage/security/advisories/GHSA-mg3m-f475-28hv", "reference_id": "GHSA-mg3m-f475-28hv", "reference_type": "", "scores": [ { "value": "8.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-mg3m-f475-28hv" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/18157?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@0.15.14", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1v1x-ccrc-bqea" }, { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-kn33-aucx-bucn" }, { "vulnerability": "VCID-t9gj-dq52-a3a3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@0.15.14" } ], "aliases": [ "CVE-2021-43783", "GHSA-mg3m-f475-28hv" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-m6bh-qfft-nkh1" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/83184?format=api", "vulnerability_id": "VCID-t9gj-dq52-a3a3", "summary": "Backstage is an open framework for building developer portals. Multiple Scaffolder actions and archive extraction utilities were vulnerable to symlink-based path traversal attacks. An attacker with access to create and execute Scaffolder templates could exploit symlinks to read arbitrary files via the `debug:log` action by creating a symlink pointing to sensitive files (e.g., `/etc/passwd`, configuration files, secrets); delete arbitrary files via the `fs:delete` action by creating symlinks pointing outside the workspace, and write files outside the workspace via archive extraction (tar/zip) containing malicious symlinks. This affects any Backstage deployment where users can create or execute Scaffolder templates. This vulnerability is fixed in `@backstage/backend-defaults` versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0; `@backstage/plugin-scaffolder-backend` versions 2.2.2, 3.0.2, and 3.1.1; and `@backstage/plugin-scaffolder-node` versions 0.11.2 and 0.12.3. Users should upgrade to these versions or later. Some workarounds are available. Follow the recommendation in the Backstage Threat Model to limit access to creating and updating templates, restrict who can create and execute Scaffolder templates using the permissions framework, audit existing templates for symlink usage, and/or run Backstage in a containerized environment with limited filesystem access.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-24046.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-24046.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-24046", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00022", "scoring_system": "epss", "scoring_elements": "0.06376", "published_at": "2026-06-12T12:55:00Z" }, { "value": "0.00022", "scoring_system": "epss", "scoring_elements": "0.06357", "published_at": "2026-06-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-24046" }, { "reference_url": "https://github.com/backstage/backstage", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/backstage/backstage" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2431878", "reference_id": "2431878", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2431878" }, { "reference_url": "https://github.com/backstage/backstage/commit/c641c147ab371a9a8a2f5f67fdb7cb9c97ef345d", "reference_id": "c641c147ab371a9a8a2f5f67fdb7cb9c97ef345d", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-22T15:09:21Z/" } ], "url": "https://github.com/backstage/backstage/commit/c641c147ab371a9a8a2f5f67fdb7cb9c97ef345d" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24046", "reference_id": "CVE-2026-24046", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24046" }, { "reference_url": "https://github.com/advisories/GHSA-rq6q-wr2q-7pgp", "reference_id": "GHSA-rq6q-wr2q-7pgp", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-rq6q-wr2q-7pgp" }, { "reference_url": "https://github.com/backstage/backstage/security/advisories/GHSA-rq6q-wr2q-7pgp", "reference_id": "GHSA-rq6q-wr2q-7pgp", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-22T15:09:21Z/" } ], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-rq6q-wr2q-7pgp" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:6174", "reference_id": "RHSA-2026:6174", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:6174" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:6802", "reference_id": "RHSA-2026:6802", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:6802" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/38044?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@2.2.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@2.2.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/930018?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@3.0.0-next.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@3.0.0-next.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/38051?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@3.0.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@3.0.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/930022?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@3.1.0-next.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@3.1.0-next.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/38059?format=api", "purl": "pkg:npm/%40backstage/plugin-scaffolder-backend@3.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4qeh-pyrt-zfat" }, { "vulnerability": "VCID-v5gp-72r8-3yd4" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@3.1.1" } ], "aliases": [ "CVE-2026-24046", "GHSA-rq6q-wr2q-7pgp" ], "risk_score": 4.1, "exploitability": "0.5", "weighted_severity": "8.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-t9gj-dq52-a3a3" } ], "fixing_vulnerabilities": [], "risk_score": "4.1", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540backstage/plugin-scaffolder-backend@0.0.0-nightly-202131322627" }