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CVE-2026-16407

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d5a23aa2ebf1d1f21b7fb7926f7dfd95b4ab354a4f82029efdc00a3ef37bfb55
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-693","description":"CWE-693 Protection Mechanism Failure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/adp/0/problemTypes/1/descriptions/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-693","description":"CWE-693 Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/adp/0/problemTypes/1/descriptions/0

Source references

3 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2044063"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-71/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:33e4976fac4b4d00409b9733bd74bb62f012bba28aca755416787bfed5c41682 · sha256:b59f5bc32e3d73d9… · /containers/cna/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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