Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-21409

Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:036444c75334fc1854e8c4148eb60db1ae3675e7b974d36d6eb6c447cc616dbe
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":5.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/metrics/0/cvssV3_0

{"metric":{"baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"product":"RICOH Streamline NX","vendor":"Ricoh Company, Ltd.","versions":[{"status":"affected","version":"3.5.1 to 24R3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":5.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/metrics/0/cvssV3_0
{"metric":{"baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"Authorization bypass through user-controlled key","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://jvn.jp/en/jp/JVN12770174/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /containers/cna/references/1
{"url":"https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2025-000011"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b43e47afaf18f5cb83279361cedcfc09b4219ab54d8418e432b293bb5470d01 · sha256:f1b181ccbc97cdf5… · /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.

← Back to CVE Explorer