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CVE-2026-55666

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, in apps/meteor/app/apple/server/loginHandler.ts, handleIdentityToken parses a JWT issued by Apple during the OAuth flow. The try block checks for an email parameter. If the JWT does not contain an email address, the application falls back to accepting an arbitrary email value supplied directly in the request. Attackers are able to forge Apple JWTs tha
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2f42085e87e860879e3d425a430f3da675f64cd0e3bed31c5e350006affda6a9
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-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-288","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Rocket.Chat","vendor":"RocketChat","versions":[{"status":"affected","version":">= 8.5.0-rc.0, < 8.5.1"},{"status":"affected","version":">= 8.4.0-rc.0, < 8.4.4"},{"status":"affected","version":">= 8.3.0-rc.0, < 8.3.6"},{"status":"affected","version":">= 8.2.0-rc.0, < 8.2.6"},{"status":"affected","version":">= 8.1.0-rc.0, < 8.1.6"},{"status":"affected","version":">= 7.11.0-rc.0, < 8.0.7"},{"status":"affected","version":"< 7.10.13"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-288","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-wx3c-76rf-wpwf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-wx3c-76rf-wpwf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:afc24728ae247d9a69258f9b0a575f07eab3b94ba73d3b342508d448ff27dcad · sha256:34eac0642bf9c552… · /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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