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CVE-2026-54264

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.1, 21.2.17, and 20.3.25, an information disclosure vulnerability exists in the @angular/service-worker package of the Angular framework. When the Service Worker fetches assets, it preserves metadata (such as headers) from the original request. However, on cross-origin redirects, the Service Worker fails to strip sensitive headers, violating the Fetch r
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f2d0ab0730754d076c608b6fa1fa066c912c45defea094ba40ae248c419a1b88
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-359","description":"CWE-359: Exposure of Private Personal Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"angular","vendor":"angular","versions":[{"status":"affected","version":">= 22.0.0-next.0 < 22.0.1"},{"status":"affected","version":">= 21.0.0-next.0 < 21.2.17"},{"status":"affected","version":">= 20.0.0-next.0 < 20.3.25"},{"status":"affected","version":"<= 19.2.25"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-359","description":"CWE-359: Exposure of Private Personal Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/angular/angular/commit/47d68dcb26266316647133ab6385e77fc3e5ae08","tags":["x_refsource_MISC"],"url":"https://github.com/angular/angular/commit/47d68dcb26266316647133ab6385e77fc3e5ae08"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/references/2
{"name":"https://github.com/angular/angular/pull/69029","tags":["x_refsource_MISC"],"url":"https://github.com/angular/angular/pull/69029"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/references/1
{"name":"https://github.com/angular/angular/security/advisories/GHSA-qxh6-94w6-9r5p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/angular/angular/security/advisories/GHSA-qxh6-94w6-9r5p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99fb6d8ab0102449555f08a523d5e9d0f0a6067508f2c8f7115eb85a8aaf41b6 · sha256:bd9ba075b130dccb… · /containers/cna/references/0

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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