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CVE-2026-7891

A vulnerability has been identified in Mendix Runtime (All versions). Mendix documentation for access rules does not adequately describe the special behavior of the System.User entity, leaving developers without sufficient guidance to configure access rules securely. This documentation gap may lead application developers to unknowingly apply overly permissive access rules to System.User, resulting in unintended exposure of sensitive user data or privilege escalation within deployed Mendix applic
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0248d20a8e5a3fb468039f9e5e52ea18487afd30852766bbcaa7a31712db750b
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":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"Mendix Runtime","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-277","description":"CWE-277: Insecure Inherited Permissions","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-814963.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/references/2
{"tags":["vendor-advisory"],"url":"https://csirt.divd.nl/DIVD-2026-00006/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /containers/cna/references/0
{"tags":["mitigation"],"url":"https://www.divd.nl/mendix.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:096a1dce80d900c85eeb89c2bd09e2b034a5bb3cabcadde75a5bafdbf5ea517b · sha256:d23cf4f6aef278a7… · /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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