CVE Explorer

CVE-2026-49258

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI (/ui/*) does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web read/mutation surface. Any authenticated non-admin operator (for example, one created via self-registration or OIDC) can access resources belonging to other operators. The host create/edit/mobile-bundle/netwo

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e5a35055e3de9cc4ff5e04983956e1ba0e0403226aa5b4b6dde1562d562dccb3

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/problemTypes/1/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:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"nebula-mesh","vendor":"juev","versions":[{"status":"affected","version":"< 0.3.6"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/problemTypes/1/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:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/forgekeep/nebula-mesh/pull/161","tags":["x_refsource_MISC"],"url":"https://github.com/forgekeep/nebula-mesh/pull/161"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /containers/cna/references/1

{"name":"https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-c6v2-3ffm-vcmc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-c6v2-3ffm-vcmc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:052cdfbac22c36067287828fd034a44e4946f926abe7d8a1000897c71df66565 · sha256:7f7ff732297c84ca… · /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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