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CVE-2026-27449

Umbraco Engage is a business intelligence platform. A vulnerability has been identified in Umbraco Engage prior to versions 16.2.1 and 17.1.1 where certain API endpoints are exposed without enforcing authentication or authorization checks. The affected endpoints can be accessed directly over the network without requiring a valid session or user credentials. By supplying a user-controlled identifier parameter (e.g., ?id=), an attacker can retrieve sensitive data associated with arbitrary records.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aadd0cdb97bfad72e514c3578002181cad6d0793cce72179196247fbd02c04ac
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Umbraco.Engage.Forms","vendor":"umbraco","versions":[{"status":"affected","version":"< 16.2.1"},{"status":"affected","version":">= 17.0.0, < 17.1.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/umbraco/Umbraco.Engage.Issues/security/advisories/GHSA-86vq-ccwf-rm62","tags":["x_refsource_CONFIRM"],"url":"https://github.com/umbraco/Umbraco.Engage.Issues/security/advisories/GHSA-86vq-ccwf-rm62"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f85699c92c49b3a134b9bf4c61806cd0a338f524139cd16a5167373c3db71428 · sha256:3f4157d0538117aa… · /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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