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CVE-2026-27148

A flaw was found in Storybook's development server. This vulnerability allows a remote attacker to achieve Remote Code Execution or persistent Cross-Site Scripting by exploiting WebSocket hijacking. The attack can occur if a developer visits a malicious website while their local Storybook development server is active, or directly by an unauthenticated attacker if the server is publicly accessible. This is due to insufficient validation of WebSocket connection origins and unsanitized input, leadi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f2e2a4d2c3e9e4850a586ddb8e81b0c2f36498e45be1a2e485f9d62c2f3efd68
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:2"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"streams for Apache Kafka 2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:3"],"defaultStatus":"affected","packageName":"com.github.streamshub-console","product":"streams for Apache Kafka 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/1

{"product":"storybook","vendor":"storybookjs","versions":[{"status":"affected","version":"< 7.6.23"},{"status":"affected","version":">= 8.1.0, < 8.6.17"},{"status":"affected","version":">= 9.0.0, < 9.1.19"},{"status":"affected","version":">= 10.0.0, < 10.2.10"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/affected/0
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.9,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 3 assertions

{"cweId":"CWE-74","description":"CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-346","description":"Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

5 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:2"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"streams for Apache Kafka 2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:3"],"defaultStatus":"affected","packageName":"com.github.streamshub-console","product":"streams for Apache Kafka 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/affected/1
{"product":"storybook","vendor":"storybookjs","versions":[{"status":"affected","version":"< 7.6.23"},{"status":"affected","version":">= 8.1.0, < 8.6.17"},{"status":"affected","version":">= 9.0.0, < 9.1.19"},{"status":"affected","version":">= 10.0.0, < 10.2.10"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.9,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-74","description":"CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-346","description":"Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/problemTypes/1/descriptions/0

Source references

12 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-27148"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/references/0
{"name":"RHBZ#2442784","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2442784"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/references/1
{"name":"https://github.com/storybookjs/storybook/commit/0affdf928bd6fafbadfb1dfe22ce6104805e10e8","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/commit/0affdf928bd6fafbadfb1dfe22ce6104805e10e8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/1
{"name":"https://github.com/storybookjs/storybook/commit/54689a8add18ea75d628c540f4bc677592a1e685","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/commit/54689a8add18ea75d628c540f4bc677592a1e685"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/2
{"name":"https://github.com/storybookjs/storybook/commit/b8cfa77c73940c140acdcd8a06ab1ea913c44761","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/commit/b8cfa77c73940c140acdcd8a06ab1ea913c44761"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/3
{"name":"https://github.com/storybookjs/storybook/commit/d34085f39c647f5c23c3a3b2d197c18602fcf876","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/commit/d34085f39c647f5c23c3a3b2d197c18602fcf876"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/4
{"name":"https://github.com/storybookjs/storybook/releases/tag/v10.2.10","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/releases/tag/v10.2.10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/5
{"name":"https://github.com/storybookjs/storybook/releases/tag/v7.6.23","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/releases/tag/v7.6.23"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/6
{"name":"https://github.com/storybookjs/storybook/releases/tag/v8.6.17","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/releases/tag/v8.6.17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/7
{"name":"https://github.com/storybookjs/storybook/releases/tag/v9.1.19","tags":["x_refsource_MISC"],"url":"https://github.com/storybookjs/storybook/releases/tag/v9.1.19"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/8
{"name":"https://github.com/storybookjs/storybook/security/advisories/GHSA-mjf5-7g4m-gx5w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/storybookjs/storybook/security/advisories/GHSA-mjf5-7g4m-gx5w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27148.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb117b6490773adbded3c58808d4577675b25e6fac27c6f425d40327e6f0dc41 · sha256:9642d6895faac0ab… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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