{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/22829?format=json","vulnerability_id":"VCID-8f4b-4t1m-1bdf","summary":"Storybook Dev Server is Vulnerable to WebSocket Hijacking\nThe WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability **only affects the Storybook dev server; production builds are not impacted**.","aliases":[{"alias":"CVE-2026-27148"},{"alias":"GHSA-mjf5-7g4m-gx5w"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/73104?format=json","purl":"pkg:npm/storybook@8.6.17","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@8.6.17"},{"url":"http://public2.vulnerablecode.io/api/packages/73105?format=json","purl":"pkg:npm/storybook@9.1.19","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@9.1.19"},{"url":"http://public2.vulnerablecode.io/api/packages/73106?format=json","purl":"pkg:npm/storybook@10.2.10","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@10.2.10"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/73101?format=json","purl":"pkg:npm/storybook@8.1.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-8f4b-4t1m-1bdf"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@8.1.0"},{"url":"http://public2.vulnerablecode.io/api/packages/73102?format=json","purl":"pkg:npm/storybook@8.7.0-alpha.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-8f4b-4t1m-1bdf"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@8.7.0-alpha.0"},{"url":"http://public2.vulnerablecode.io/api/packages/73103?format=json","purl":"pkg:npm/storybook@10.0.0-beta.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-8f4b-4t1m-1bdf"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/storybook@10.0.0-beta.0"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27148.json","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27148.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27148","reference_id":"","reference_type":"","scores":[{"value":"0.00075","scoring_system":"epss","scoring_elements":"0.22649","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27148"},{"reference_url":"https://github.com/storybookjs/storybook","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/storybookjs/storybook"},{"reference_url":"https://github.com/storybookjs/storybook/commit/0affdf928bd6fafbadfb1dfe22ce6104805e10e8","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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/2026-02-26T20:25:54Z/"}],"url":"https://github.com/storybookjs/storybook/commit/0affdf928bd6fafbadfb1dfe22ce6104805e10e8"},{"reference_url":"https://github.com/storybookjs/storybook/commit/54689a8add18ea75d628c540f4bc677592a1e685","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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/2026-02-26T20:25:54Z/"}],"url":"https://github.com/storybookjs/storybook/commit/54689a8add18ea75d628c540f4bc677592a1e685"},{"reference_url":"https://github.com/storybookjs/storybook/commit/b8cfa77c73940c140acdcd8a06ab1ea913c44761","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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/2026-02-26T20:25:54Z/"}],"url":"https://github.com/storybookjs/storybook/commit/b8cfa77c73940c140acdcd8a06ab1ea913c44761"},{"reference_url":"https://github.com/storybookjs/storybook/commit/d34085f39c647f5c23c3a3b2d197c18602fcf876","reference_id":"","reference_type":"","scores":[{"value":"8.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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/2026-02-26T20:25:54Z/"}],"url":"https://github.com/storybookjs/stor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Origin Validation in WebSockets","description":"The product uses a WebSocket, but it does not properly verify that the source of data or communication is valid."},{"cwe_id":74,"name":"Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","description":"The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component."},{"cwe_id":79,"name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."},{"cwe_id":346,"name":"Origin Validation Error","description":"The product does not properly verify that the source of data or communication is valid."}],"exploits":[],"severity_range_score":"7.0 - 8.9","exploitability":"0.5","weighted_severity":"8.0","risk_score":4.0,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8f4b-4t1m-1bdf"}