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CVE-2026-8027

A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email causes authorization bypass. The attack may be initiated remotely. The affected component should be upgraded.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:333ef24ed9bac6554d1ab71f188130ecfc52502fe5b15efdbd40fd5a1e00f21c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-639","description":"Authorization Bypass","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-285","description":"Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*"],"modules":["User Controller Handler"],"product":"Flowise","vendor":"FlowiseAI","versions":[{"status":"affected","version":"3.0.0"},{"status":"affected","version":"3.0.1"},{"status":"affected","version":"3.0.2"},{"status":"affected","version":"3.0.3"},{"status":"affected","version":"3.0.4"},{"status":"affected","version":"3.0.5"},{"status":"affected","version":"3.0.6"},{"status":"affected","version":"3.0.7"},{"status":"affected","version":"3.0.8"},{"status":"affected","version":"3.0.9"},{"status":"affected","version":"3.0.10"},{"status":"a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-639","description":"Authorization Bypass","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-285","description":"Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://gist.github.com/YLChen-007/3584e6ffa0bba6367328ecf0b46b0e4b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://vuldb.com/submit/777657"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/adp/0/references/0
{"name":"Submit #777657 | FlowiseAI Flowise <= 3.0.12 Authorization Bypass Through User-Controlled Key (CWE-639)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/777657"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/references/2
{"name":"VDB-361274 | FlowiseAI Flowise User Controller authorization","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/361274"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/references/0
{"name":"VDB-361274 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/361274/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32ae9e3859fa81cdf077b5b7636faaf962e68253e25e6e681ffaaa9beb60ae5f · sha256:b21734a09ac63b41… · /containers/cna/references/1

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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