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CVE-2026-34397

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From versions 2.0.0-alpha to before 2.3.9 and 3.0.0-alpha to before 3.1.1, there is a conditional local privilege escalation vulnerability in an edge-case naming collision. Only authenticated himmelblau users whose mapped CN/short name exactly matches a privileged local group name (e.g., "sudo", "wheel", "docker", "adm") can cause the NSS module to resolve that group name to their fake primary group. If the system u
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:37eddf432ccb35e0db1f7d1bf6637a2a582e88db9ecb2e9f41a0b529ad585e20
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"himmelblau","vendor":"himmelblau-idm","versions":[{"status":"affected","version":">= 2.0.0-alpha, < 2.3.9"},{"status":"affected","version":">= 3.0.0-alpha, < 3.1.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/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:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/himmelblau-idm/himmelblau/releases/tag/2.3.9","tags":["x_refsource_MISC"],"url":"https://github.com/himmelblau-idm/himmelblau/releases/tag/2.3.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /containers/cna/references/1
{"name":"https://github.com/himmelblau-idm/himmelblau/releases/tag/3.1.1","tags":["x_refsource_MISC"],"url":"https://github.com/himmelblau-idm/himmelblau/releases/tag/3.1.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /containers/cna/references/2
{"name":"https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-v7xx-7mqc-g835","tags":["x_refsource_CONFIRM"],"url":"https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-v7xx-7mqc-g835"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31a6d2270aaf0ef568dadd95e66b250bf592ce78dd198d29ac67d9837804e728 · sha256:312e1c9959602df3… · /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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