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CVE-2026-62644

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a3f497bad4003b4b61a016c3cbe8ead7be0b669f7662da65fd5de39967ada02d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Webmail","vendor":"Roundcube","versions":[{"lessThan":"1.6.17","status":"affected","version":"1.6.0","versionType":"semver"},{"lessThan":"1.7.2","status":"affected","version":"1.7.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"url":"https://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/6
{"url":"https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/2
{"url":"https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/5
{"url":"https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/3
{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/4
{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /containers/cna/references/1
{"url":"https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28eb51bb7b38585f86c1f4251a09bd8c75e41afb9a082246792887cb32bd89b7 · sha256:326c2b88476407d2… · /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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