CVE-2026-45815 json
Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler
published 3mo ago modified 16d ago also EUVD-2026-48565
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser.
Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request.
This issue affects Apache NimBLE: through 1.9.0.
Users are recommended to upgrade to version 1.10.0, which fixes the issue.
Patch / fix
Is CVE-2026-45815 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Apache Software Foundation Apache NimBLE
Classification
- Weakness
-
- CWE-617 Reachable Assertion
References
-
github.com
/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425
patch
-
lists.apache.org
/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/07/24/14
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-45815
- NVD CVE-2026-45815
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