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CVE-2026-2411

Zephyr's Bluetooth host declares a GATT characteristic as two consecutive attributes: a Characteristic Declaration whose permission is hard-coded to BT_GATT_PERM_READ, and a Characteristic Value attribute that carries the application-specified security permissions (e.g. BT_GATT_PERM_READ_ENCRYPT / READ_AUTHEN / READ_LESC). The public notify and indicate APIs explicitly accept either attribute, and passing the declaration is the documented, common idiom. Before sending each notification or indica
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e01fea291b365c28608dc9c986ebeeed8a1efefb100d55ac6fcf6a9159343039
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/zephyrproject-rtos/zephyr","defaultStatus":"unaffected","packageName":"zephyr","product":"zephyr","programFiles":["subsys/bluetooth/host/gatt.c"],"vendor":"zephyrproject","versions":[{"lessThan":"4.5.0","status":"affected","version":"2.6.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3349b1cbb191a116df45672f60106a17128c42267e4b0745a900d2b4a0c1c06a · sha256:882352fc344a7be9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/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:v2:3349b1cbb191a116df45672f60106a17128c42267e4b0745a900d2b4a0c1c06a · sha256:882352fc344a7be9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"auth","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3349b1cbb191a116df45672f60106a17128c42267e4b0745a900d2b4a0c1c06a · sha256:882352fc344a7be9… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"Fix commit","tags":["patch"],"url":"https://github.com/zephyrproject-rtos/zephyr/commit/c3386f92fe81bd10dc23e6a115e6a80a7d863546"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3349b1cbb191a116df45672f60106a17128c42267e4b0745a900d2b4a0c1c06a · sha256:882352fc344a7be9… · /containers/cna/references/0
{"name":"GHSA-4w3r-v9q9-4462","url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-4w3r-v9q9-4462"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3349b1cbb191a116df45672f60106a17128c42267e4b0745a900d2b4a0c1c06a · sha256:882352fc344a7be9… · /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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